warp: Select BOUNCE_BUFFER and CMD_EXT options

Add EXT2/EXT4 and BOUNCE_BUFFER support.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Otavio Salvador <otavio@ossystems.com.br>

include/configs/warp.h

@@ -46,6 +46,10 @@
 #define CONFIG_MMC
 #define CONFIG_CMD_MMC
 #define CONFIG_GENERIC_MMC
+#define CONFIG_BOUNCE_BUFFER
+#define CONFIG_CMD_EXT2
+#define CONFIG_CMD_EXT4
+#define CONFIG_CMD_EXT4_WRITE
 #define CONFIG_CMD_FAT
 #define CONFIG_DOS_PARTITION