mx6qsabre_common: Enable DCACHE and CONFIG_MMC_BOUNCE_BUFFER

Data cache and CONFIG_MMC_BOUNCE_BUFFER can be safely enabled now.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>

include/configs/mx6qsabre_common.h

@@ -45,6 +45,7 @@
 #define CONFIG_MMC
 #define CONFIG_CMD_MMC
 #define CONFIG_GENERIC_MMC
+#define CONFIG_MMC_BOUNCE_BUFFER
 #define CONFIG_CMD_EXT2
 #define CONFIG_CMD_FAT
 #define CONFIG_DOS_PARTITION
@@ -168,8 +169,6 @@
 
 #define CONFIG_OF_LIBFDT
 
-#define CONFIG_SYS_DCACHE_OFF
-
 #ifndef CONFIG_SYS_DCACHE_OFF
 #define CONFIG_CMD_CACHE
 #endif