github actions: Fix for triggering this workflow from specific branches

Signed-off-by: Shreeya Patel <[email protected]>

Author: shreeya-patel98

.github/workflows/kernel-build-and-test-x86_64.yml

@@ -1,8 +1,7 @@
 name: Automated kernel build and test (x86_64)
+
 on:
-  push:
-    branches:
-      - '*_ciqlts9_2'
+  workflow_call:
 
 permissions:
   contents: read