configs: k2g_evm: Enable DFU on K2G EVM

The K2G evm uses the generic DWC3 driver. DFU can thus be enabled.
Enabling DFU for easier firmware update.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/include/configs/ti_armv7_keystone2.h b/include/configs/ti_armv7_keystone2.h
index fae72e7..0c7d664 100644
--- a/include/configs/ti_armv7_keystone2.h
+++ b/include/configs/ti_armv7_keystone2.h
@@ -169,6 +169,17 @@
 #define CONFIG_SYS_NAND_MAX_CHIPS		1
 #define CONFIG_SYS_NAND_NO_SUBPAGE_WRITE
 
+#define DFU_ALT_INFO_MMC \
+	"dfu_alt_info_mmc=" \
+	"MLO fat 0 1;" \
+	"u-boot.img fat 0 1;" \
+	"uEnv.txt fat 0 1\0"
+
+/* DFU settings */
+#define DFUARGS \
+	"dfu_bufsiz=0x10000\0" \
+	DFU_ALT_INFO_MMC \
+
 /* U-Boot general configuration */
 #define CONFIG_MX_CYCLIC
 #define CONFIG_TIMESTAMP
@@ -207,6 +218,7 @@
 #define CONFIG_EXTRA_ENV_SETTINGS					\
 	DEFAULT_LINUX_BOOT_ENV						\
 	CONFIG_EXTRA_ENV_KS2_BOARD_SETTINGS				\
+	DFUARGS								\
 	"bootdir=/boot\0" \
 	"tftp_root=/\0"							\
 	"nfs_root=/export\0"						\