Sweep: Replace 'x-hack' conditionals in artifact-armbian-bsp-cli.sh and artifact-firmware.sh

[sweep-ai]

• In lib/functions/artifacts/artifact-armbian-bsp-cli.sh, replace all 'x-hack' conditionals with modern conditionals.
• In lib/functions/artifacts/artifact-firmware.sh, replace all 'x-hack' conditionals with modern conditionals.

Parent issue: #2

Checklist

• lib/functions/artifacts/artifact-armbian-bsp-cli.sh ❌ Failed
• lib/functions/artifacts/artifact-firmware.sh ❌ Failed

[sweep-ai]

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File Path	Proposed Changes
lib/functions/artifacts/artifact-armbian-bsp-cli.sh	Modify lib/functions/artifacts/artifact-armbian-bsp-cli.sh with contents: • Identify all instances of 'x-hack' conditionals in the script. These are conditionals of the form '[ "x${variable}" = "xvalue" ]'. • Replace each 'x-hack' conditional with a modern conditional. The modern equivalent of the 'x-hack' conditional is '[ "${variable}" = "value" ]'. • Ensure that the logic of the script remains the same after the replacement.
lib/functions/artifacts/artifact-firmware.sh	Modify lib/functions/artifacts/artifact-firmware.sh with contents: • Identify all instances of 'x-hack' conditionals in the script. These are conditionals of the form '[ "x${variable}" = "xvalue" ]'. • Replace each 'x-hack' conditional with a modern conditional. The modern equivalent of the 'x-hack' conditional is '[ "${variable}" = "value" ]'. • Ensure that the logic of the script remains the same after the replacement.

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