Update .gitlab-ci.yml file for feat_accel_decouple to test if build succeeded

.gitlab-ci.yml

@@ -41,6 +41,7 @@ build-job-Z2:       # This job runs in the build stage, which runs first.
     -     echo "Build successful"
     -   else
     -     echo "Build failed"
+    -     exit 1
     -   fi
     - fi
     # cleanup arm-AAA-ip directory
@@ -74,6 +75,7 @@ build-job-ZCU104:       # This job runs in the build stage, which runs first.
     -     echo "Build successful"
     -   else
     -     echo "Build failed"
+          exit 1
     -   fi
     - fi
     # cleanup arm-AAA-ip directory