ci: build-yocto: build initramfs-test kas configuration

Extend kas build logic to also build initramfs-test kas configuration,
but only with qcom-arm8a machine target, since the content is generic to
the architecture.

Signed-off-by: Ricardo Salveti <[email protected]>

Author: ricardosalveti

.github/workflows/build-yocto.yml

@@ -115,6 +115,10 @@ jobs:
           kas build ci/mirror.yml:ci/${{ matrix.machine }}.yml
           ci/yocto-pybootchartgui.sh && mv $KAS_WORK_DIR/build/buildchart.svg .
 
+          if [ "${{ matrix.machine }}" = "qcom-arm8a" ]; then
+            kas build ci/mirror.yml:ci/${{ matrix.machine }}.yml:initramfs-test.yml
+          fi
+
       - uses: actions/upload-artifact@v4
         with:
           name: buildchart-${{ matrix.machine }}