shellcheck: silence trap-only cleanup warning in UserDataEncryption

Add a targeted SC2317 annotation for the trap-invoked cleanup function in
UserDataEncryption/run.sh without changing runtime behavior.

Signed-off-by: Srikanth Muppandam <smuppand@qti.qualcomm.com>

Author: smuppand

Runner/suites/Kernel/Baseport/UserDataEncryption/run.sh

@@ -58,7 +58,7 @@ MOUNT_DIR=""
 FS_PATH=""
 key_id=""
 KEY_FILE=""
-
+# shellcheck disable=SC2317  # cleanup is invoked via trap
 cleanup() {
 
     if [ -n "${MOUNT_DIR:-}" ] && [ "${MOUNT_DIR:-}" != "/" ] && [ -d "${MOUNT_DIR:-}" ]; then