v0.11.16: Update SDK to 0.12.4 release

• Update to SDK 0.12.4
• protobuf tools

v0.11.15

• Fix renode 1.11.0 install

v0.11.14

• Update renode to 1.11
• Update SDK to 0.12.3
• Fixup so latest docker image builds.

SDK 0.12.2

• Update to SDK 0.12.2, removed SDK 0.11.4

Bump SDK to 0.12.1

Update SDK to 0.12.1 release

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>

v0.11.11: Install SDK 0.12.0 in addition to 0.11.4

Add SDK 0.12.0

v0.11.10

• Update to cmake 3.15.x for TFM v1.2
• pull in imgtool for mcuboot

v0.11.9

Update to SDK 0.11.4

v0.11.8

Update to SDK 0.11.3

v0.11.7: Free up space to get docker build to work

• Add srecord package for srec_cat for TFM.