u-boot: add AIS target format

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

boot/uboot/Config.in

@@ -79,6 +79,14 @@ endif
 
 choice
 	prompt "U-Boot binary format"
+	default BR2_TARGET_UBOOT_FORMAT_BIN
+
+config BR2_TARGET_UBOOT_FORMAT_AIS
+	bool "u-boot.ais"
+	help
+	  AIS (Application Image Script) is a format defined by TI.
+	  It is required to load code/data on OMAP-L1 processors.
+	  u-boot.ais contains U-Boot with the SPL support.
 
 config BR2_TARGET_UBOOT_FORMAT_BIN
 	bool "u-boot.bin"

boot/uboot/uboot.mk

@@ -25,6 +25,9 @@ endif
 ifeq ($(BR2_TARGET_UBOOT_FORMAT_KWB),y)
 UBOOT_BIN          = u-boot.kwb
 UBOOT_MAKE_TARGET  = $(UBOOT_BIN)
+else ifeq ($(BR2_TARGET_UBOOT_FORMAT_AIS),y)
+UBOOT_BIN          = u-boot.ais
+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)