Revert "subtree updates"

Needs to go through CI

This reverts commit fc7e7973f3119e2bad511209aa336537dc5ffbed.
diff --git a/meta-arm/ci/fvps.yml b/meta-arm/ci/fvps.yml
index 1bced29..cf4103e 100644
--- a/meta-arm/ci/fvps.yml
+++ b/meta-arm/ci/fvps.yml
@@ -15,6 +15,7 @@
 
 target:
   - nativesdk-fvp-base-a-aem
+  - nativesdk-fvp-corstone500
   - nativesdk-fvp-corstone1000
   - nativesdk-fvp-n1-edge
   - nativesdk-fvp-sgi575