include: configs: omap5: Add support for FDT overlay

As AM57x uses overlays for display and camera interfaces, add support to
load DT overlay files to MMC boot.

Signed-off-by: Sinthu Raja <sinthu.raja@ti.com>
Signed-off-by: Anurag Dutta <a-dutta@ti.com>
diff --git a/include/env/ti/mmc.h b/include/env/ti/mmc.h
index d07189b..dbb0e35 100644
--- a/include/env/ti/mmc.h
+++ b/include/env/ti/mmc.h
@@ -44,6 +44,7 @@
 	"mmcloados=" \
 		"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
 			"if run loadfdt; then " \
+				"run get_overlay_mmc;" \
 				"bootz ${loadaddr} - ${fdtaddr}; " \
 			"else " \
 				"if test ${boot_fdt} = try; then " \