s390/facilities: add z13 als bit

If configured for z13 assume the kernel makes use of the instructions
that are part of the load-and-zero-rightmost-byte facility and
load/store-on-condition facility 2.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

arch/s390/include/asm/facilities_src.h

@@ -48,6 +48,9 @@ static struct facility_def facility_defs[] = {
 #ifdef CONFIG_HAVE_MARCH_ZEC12_FEATURES
 			49, /* misc-instruction-extensions */
 			52, /* interlocked facility 2 */
+#endif
+#ifdef CONFIG_HAVE_MARCH_Z13_FEATURES
+			53, /* load-and-zero-rightmost-byte, etc. */
 #endif
 			-1 /* END */
 		}