armv7a: remove special l2x flush-all and cache-info handlers

This patch is on the path to unified handlers for both inner and
outer caches. It removes the special overrides installed when
an outer cache is configured.

Change-Id: I747f2762c6c8c76c700341cbf6cf500ff2a51476
Signed-off-by: Matthias Welwarsky <matthias@welwarsky.de>
Reviewed-on: http://openocd.zylin.com/3022
Tested-by: jenkins
Reviewed-by: Paul Fertser <fercerpav@gmail.com>

src/target/armv7a_cache.c

@@ -127,7 +127,8 @@ int armv7a_cache_auto_flush_all_data(struct target *target)
 	} else
 		retval = armv7a_l1_d_cache_clean_inval_all(target);
 
-	/* FIXME: do l2x flushing here */
+	/* do outer cache flushing after inner caches have been flushed */
+	retval = arm7a_l2x_flush_all_data(target);
 
 	return retval;
 }