uboot: add support for Freescale .sb format to uboot

[Thomas: update to recent Buildroot, add missing dependency on
host-elftosb.]

Signed-off-by: Gary Coulbourne <bear@bears.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

boot/uboot/Config.in

@@ -101,6 +101,10 @@ config BR2_TARGET_UBOOT_FORMAT_LDR
 config BR2_TARGET_UBOOT_FORMAT_ELF
 	bool "u-boot.elf"
 
+config BR2_TARGET_UBOOT_FORMAT_SB
+	depends on BR2_arm
+	bool "u-boot.sb"
+
 config BR2_TARGET_UBOOT_FORMAT_CUSTOM
 	bool "Custom (specify below)"
 	help

boot/uboot/uboot.mk

@@ -40,6 +40,10 @@ else ifeq ($(BR2_TARGET_UBOOT_FORMAT_NAND_BIN),y)
 UBOOT_BIN          = u-boot-nand.bin
 else ifeq ($(BR2_TARGET_UBOOT_FORMAT_IMG),y)
 UBOOT_BIN          = u-boot.img
+else ifeq ($(BR2_TARGET_UBOOT_FORMAT_SB),y)
+UBOOT_BIN          = u-boot.sb
+UBOOT_MAKE_TARGET  = $(UBOOT_BIN)
+UBOOT_DEPENDENCIES += host-elftosb
 else ifeq ($(BR2_TARGET_UBOOT_FORMAT_CUSTOM),y)
 UBOOT_BIN          = $(call qstrip,$(BR2_TARGET_UBOOT_FORMAT_CUSTOM_NAME))
 else