env: ti: boot: Select dtb name for X15 revC

Select dtb name for am57xx BeagleBoard-X15 revC

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>

include/environment/ti/boot.h

@@ -67,6 +67,8 @@
 			"setenv fdtfile am57xx-beagle-x15.dtb; fi;" \
 		"if test $board_name = beagle_x15_revb1; then " \
 			"setenv fdtfile am57xx-beagle-x15-revb1.dtb; fi;" \
+		"if test $board_name = beagle_x15_revc; then " \
+			"setenv fdtfile am57xx-beagle-x15-revc.dtb; fi;" \
 		"if test $board_name = am572x_idk; then " \
 			"setenv fdtfile am572x-idk.dtb; fi;" \
 		"if test $board_name = am57xx_evm; then " \