COMMAND: MMC: Extend mmc command to make emmc bootable

Signed-off-by: Inderpal Singh <inderpal.singh@linaro.org>
diff --git a/include/mmc.h b/include/mmc.h
index a13e2bd..ed4c4e2 100644
--- a/include/mmc.h
+++ b/include/mmc.h
@@ -199,6 +199,8 @@
 
 #define MMCPART_NOAVAILABLE	(0xff)
 #define PART_ACCESS_MASK	(0x7)
+#define BOOT_PART_ENABLE_MASK	(0x7 << 3)
+#define BOOT_ACK		(0x1 << 6)
 #define PART_SUPPORT		(0x1)
 
 struct mmc_cid {