u-boot: add support for u-boot-nand.bin

Add support for the u-boot-nand.bin target file.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

boot/uboot/Config.in

@@ -85,6 +85,9 @@ choice
 config BR2_TARGET_UBOOT_FORMAT_BIN
 	bool "u-boot.bin"
 
+config BR2_TARGET_UBOOT_FORMAT_NAND_BIN
+	bool "u-boot-nand.bin"
+
 config BR2_TARGET_UBOOT_FORMAT_KWB
 	depends on BR2_arm
 	bool "u-boot.kwb (Marvell)"

boot/uboot/uboot.mk

@@ -27,6 +27,8 @@ UBOOT_BIN          = u-boot.kwb
 UBOOT_MAKE_TARGET  = $(UBOOT_BIN)
 else ifeq ($(BR2_TARGET_UBOOT_FORMAT_LDR),y)
 UBOOT_BIN          = u-boot.ldr
+else ifeq ($(BR2_TARGET_UBOOT_FORMAT_NAND_BIN),y)
+UBOOT_BIN          = u-boot-nand.bin
 else
 UBOOT_BIN          = u-boot.bin
 endif