am335x_evm: add support for BeagleBone Black DT name

Cc: Matt Porter <mporter@ti.com>
Cc: Nishanth Menon <nm@ti.com>
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
Signed-off-by: Tom Rini <trini@ti.com>
Acked-by: Matt Porter <mporter@ti.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Acked-by: Nishanth Menon <nm@ti.com>

include/configs/am335x_evm.h

@@ -130,6 +130,8 @@
 	"findfdt="\
 		"if test $board_name = A335BONE; then " \
 			"setenv fdtfile am335x-bone.dtb; fi; " \
+		"if test $board_name = A335BNLT; then " \
+			"setenv fdtfile am335x-boneblack.dtb; fi; " \
 		"if test $board_name = A33515BB; then " \
 			"setenv fdtfile am335x-evm.dtb; fi; " \
 		"if test $board_name = A335X_SK; then " \