cpu/m*: Remove obsolete references to CONFIG_COMMANDS

Signed-off-by: Jon Loeliger <jdl@freescale.com>
diff --git a/cpu/microblaze/cache.c b/cpu/microblaze/cache.c
index 2921551..6ce0b55 100644
--- a/cpu/microblaze/cache.c
+++ b/cpu/microblaze/cache.c
@@ -25,7 +25,7 @@
 #include <common.h>
 #include <asm/asm.h>
 
-#if (CONFIG_COMMANDS & CFG_CMD_CACHE) || defined(CONFIG_CMD_CACHE)
+#if defined(CONFIG_CMD_CACHE)
 
 int dcache_status (void)
 {