kas: Add new yml file for Distros unattended installation

Define “DISTRO_UNATTENDED_INST_TESTS” variable in meta-arm-systemready
independently from meta-arm-auto-solutions. This will allow running
the unattended installation without meta-arm-auto-solutions.

Signed-off-by: Amr Mohamed <amr.mohamed@arm.com>
Signed-off-by: Jon Mason <jon.mason@arm.com>

kas/arm-systemready-linux-distros-fedora.yml

@@ -2,6 +2,7 @@ header:
   version: 16
   includes:
     - kas/arm-systemready-firmware.yml
+    - kas/arm-systemready-linux-distros-unattended-installation.yml
 
 target:
   - arm-systemready-linux-distros-fedora

kas/arm-systemready-linux-distros-unattended-installation.yml

@@ -0,0 +1,11 @@
+header:
+  version: 16
+
+env:
+  DISTRO_UNATTENDED_INST_TESTS:
+  # The full testimage run typically takes around 12-24h on fvp-base.
+  TEST_OVERALL_TIMEOUT: "${@ 24*60*60}"
+  
+local_conf_header:
+  systemready-unattended-inst: |
+    TESTIMAGE_AUTO = "${@oe.utils.vartrue("DISTRO_UNATTENDED_INST_TESTS", "1", "", d)}"