configs: k2x_evm: Adds FIT loading environment variables

Updates the default u-boot environment variables to support FIT image
loading.

Signed-off-by: Andrew F. Davis <afd@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 3fadef7..03544af 100644
--- a/include/configs/ti_armv7_keystone2.h
+++ b/include/configs/ti_armv7_keystone2.h
@@ -263,7 +263,13 @@
 	"get_kern_ubi=ubifsload ${loadaddr} ${bootdir}/${name_kern}\0"		\
 	"get_mon_net=dhcp ${addr_mon} ${tftp_root}/${name_mon}\0"	\
 	"get_mon_nfs=nfs ${addr_mon} ${nfs_root}/boot/${name_mon}\0"	\
-	"get_mon_ubi=ubifsload ${addr_mon} ${bootdir}/${name_mon}\0"		\
+	"get_mon_ubi=ubifsload ${addr_mon} ${bootdir}/${name_mon}\0"	\
+	"get_fit_net=dhcp ${fit_loadaddr} ${tftp_root}"			\
+						"/${fit_bootfile}\0"	\
+	"get_fit_nfs=nfs ${fit_loadaddr} ${nfs_root}/boot/${fit_bootfile}\0"\
+	"get_fit_ubi=ubifsload ${fit_loadaddr} ${bootdir}/${fit_bootfile}\0"\
+	"get_fit_mmc=load mmc ${bootpart} ${fit_loadaddr} "		\
+					"${bootdir}/${fit_bootfile}\0"	\
 	"get_uboot_net=dhcp ${loadaddr} ${tftp_root}/${name_uboot}\0"	\
 	"get_uboot_nfs=nfs ${loadaddr} ${nfs_root}/boot/${name_uboot}\0" \
 	"burn_uboot_spi=sf probe; sf erase 0 0x80000; "		\
@@ -279,6 +285,8 @@
 	"get_fdt_ramfs=dhcp ${fdtaddr} ${tftp_root}/${name_fdt}\0"	\
 	"get_kern_ramfs=dhcp ${loadaddr} ${tftp_root}/${name_kern}\0"	\
 	"get_mon_ramfs=dhcp ${addr_mon} ${tftp_root}/${name_mon}\0"	\
+	"get_fit_ramfs=dhcp ${fit_loadaddr} ${tftp_root}"		\
+						"/${fit_bootfile}\0"	\
 	"get_fs_ramfs=dhcp ${rdaddr} ${tftp_root}/${name_fs}\0"	\
 	"get_ubi_net=dhcp ${addr_ubi} ${tftp_root}/${name_ubi}\0"	\
 	"get_ubi_nfs=nfs ${addr_ubi} ${nfs_root}/boot/${name_ubi}\0"	\