Enable Vote from CppCheck

Adjust CppCheck rules to better support TF-M codebase.
CppCheck in TF-M CI has been updated to v2.3.
Vote from CppCheck could be enabled.

Signed-off-by: Xinyu Zhang <xinyu.zhang@arm.com>
Change-Id: Iff4695f5f7ccbbd95b6ffe9e5585bea4786cab0c
diff --git a/run-cppcheck.sh b/run-cppcheck.sh
index 5a14c56..d6c39fd 100755
--- a/run-cppcheck.sh
+++ b/run-cppcheck.sh
@@ -94,8 +94,8 @@
   then
     echo "Enabled git-diff mode against hash:  $1"
 
-    # Do not execute unused function check when running in diff-mode
-    additional_checklist="style,performance,portability,information,missingInclude"
+    # Do not execute unused function check and information check when running in diff-mode
+    additional_checklist="style,performance,portability,missingInclude"
     # Grep will set exit status to 1 if a commit does not contain c/cpp.. files
     set +e
     filtered_cmd_f=compile_commands_filtered.json
@@ -149,7 +149,7 @@
   # echo "Check log for errors."
   echo "CppCheck needs to be updated. Current Version would fail with no error."
   echo "Skip voting for the time being."
-  exit 0
+  exit 1
 }
 
 EXTRA_ARGS="--error-exitcode=1"