Modify find to use -H to support symbolic links

Use -H switch on find command to follow symbolic links for
find command line arguments.

Co-authored-by: Daniel Bengtsson <dbengt@redhat.com>

Change-Id: I60c8703e06fb8e399dce0f009e434d0cc3731e64

scripts/run-validations.sh

@@ -71,7 +71,7 @@ fi
 
 VALIDATIONS_BASEDIR=${VALIDATIONS_BASEDIR:="/usr/share/openstack-tripleo-validations"}
 
-VAL=$(find $VALIDATIONS_BASEDIR/playbooks -type f -regex ".*playbooks\/${VALIDATION}\.y[a]?ml")
+VAL=$(find -H $VALIDATIONS_BASEDIR/playbooks -type f -regex ".*playbooks\/${VALIDATION}\.y[a]?ml")
 if [[ -z ${VAL} ]]; then
     echo "The ${VALIDATION} validation doesn't exist"
     exit 1