Can't detect gcc-10 on Linux

[zacky1972]

Though gcc-10 is installed, the results of CpuInfo.all_profile doesn't include gcc-10:

> CpuInfo.all_profile
%{
  compiler: %{
    cc_env: [],
    cflags_env: "",
    clang: [
      %{
        bin: "/usr/local/bin/clang",
        type: :clang,
        version: "10.0.0",
        versions: "clang version 10.0.0 (https://github.com/llvm/llvm-project.git 6c3fee47a6492b472be2d48cee0a85773f160df0)"
      }, 
      %{
        bin: "/usr/bin/clang-8",
        type: :clang,
        version: "8.0.0",
        versions: "clang version 8.0.0-3~ubuntu18.04.2 (tags/RELEASE_800/final)"
      },
      %{
        bin: "/usr/bin/clang-9",
        type: :clang,
        version: "9.0.0",
        versions: "clang version 9.0.0-2~ubuntu18.04.2 (tags/RELEASE_900/final)"
      }
    ],
    "clang++": [
      %{
        bin: "/usr/local/bin/clang++",
        type: :"clang++",
        version: "10.0.0", 
        versions: "clang version 10.0.0 (https://github.com/llvm/llvm-project.git 6c3fee47a6492b472be2d48cee0a85773f160df0)"
      },
      %{
        bin: "/usr/bin/clang++-8",
        type: :"clang++",
        version: "8.0.0",
        versions: "clang version 8.0.0-3~ubuntu18.04.2 (tags/RELEASE_800/final)"
      },
      %{
        bin: "/usr/bin/clang++-9",
        type: :"clang++",
        version: "9.0.0",
        versions: "clang version 9.0.0-2~ubuntu18.04.2 (tags/RELEASE_900/final)"
      }
    ],
    cxx_env: [],
    cxxflags_env: "",
    "g++": [ 
      %{
        bin: "/usr/bin/g++",
        type: :"g++",
        version: "7.5.0",
        versions: "g++ (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0"
      },
      %{
        bin: "/usr/bin/g++-7",
        type: :"g++",
        version: "7.5.0",
        versions: "g++-7 (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0"
      },
      %{
        bin: "/usr/bin/g++-9",
        type: :"g++",
        version: "18.04.",
        versions: "g++-9 (Ubuntu 9-20190428-1ubuntu1~18.04.york0) 9.0.1 20190428 (prerelease) [gcc-9-branch revision 270630]"
      }
    ],
    gcc: [
      %{
        bin: "/usr/bin/gcc",
        type: :gcc,
        version: "7.5.0",
        versions: "gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0"
      },
      %{
        bin: "/usr/bin/gcc-7",
        type: :gcc,
        version: "7.5.0",
        versions: "gcc-7 (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0"
      },
      %{
        bin: "/usr/bin/gcc-8",
        type: :gcc,
        version: "8.4.0",
        versions: "gcc-8 (Ubuntu 8.4.0-1ubuntu1~18.04) 8.4.0"
      },
      %{
        bin: "/usr/bin/gcc-9",
        type: :gcc,
        version: "18.04.",
        versions: "gcc-9 (Ubuntu 9-20190428-1ubuntu1~18.04.york0) 9.0.1 20190428 (prerelease) [gcc-9-branch revision 270630]"
      }
    ],
    ldflags_env: ""
  },
  cpu: %{
    cpu_model: "AMD Ryzen Threadripper 2990WX 32-Core Processor",
    cpu_models: ["AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor",
     "AMD Ryzen Threadripper 2990WX 32-Core Processor", ...],
    cpu_type: "x86_64",
    hyper_threading: :enabled,
    num_of_cores_of_a_processor: 32,
    num_of_processors: 1,
    num_of_threads_of_a_processor: 64,
    total_num_of_cores: 32,
    total_num_of_threads: 64
  },
  cuda: %{cuda: false},
  elixir: %{version: "1.11.2"},
  erlang: %{otp_version: 23},
  kernel: %{
    kernel_release: "5.4.0-52-generic",
    kernel_version: "#57~18.04.1-Ubuntu SMP Thu Oct 15 14:04:49 UTC 2020",
    os_type: :linux,
    system_version: "Ubuntu 18.04.5 LTS"
  },
  metal: %{metal: false}
}