Revert "subtree updates"

Needs to go through CI

This reverts commit fc7e7973f3119e2bad511209aa336537dc5ffbed.
diff --git a/meta-arm/ci/jobs-to-kas b/meta-arm/ci/jobs-to-kas
index eea6e46..b8615a5 100755
--- a/meta-arm/ci/jobs-to-kas
+++ b/meta-arm/ci/jobs-to-kas
@@ -3,7 +3,7 @@
 # This script is expecting an input of machine name, optionally followed by a
 # colon and a list of one or more parameters separated by commas between
 # brackets.  For example, the following are acceptable:
-# corstone1000-mps3
+# corstone500
 # fvp-base: [testimage]
 # qemuarm64-secureboot: [clang, glibc, testimage]
 #