u-boot: use BR2_TARGET_UBOOT_VERSION instead of BR2_UBOOT_VERSION

In order to be coherent with all other BR2_TARGET_UBOOT_* options.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

boot/u-boot/Config.in

@@ -37,7 +37,7 @@ config BR2_TARGET_UBOOT_CUSTOM_TARBALL_LOCATION
 
 endif
 
-config BR2_UBOOT_VERSION
+config BR2_TARGET_UBOOT_VERSION
 	string
 	default "2010.03"	if BR2_TARGET_UBOOT_2010_03
 	default "2009.11"	if BR2_TARGET_UBOOT_2009_11

boot/u-boot/u-boot.mk

@@ -3,7 +3,7 @@
 # U-Boot
 #
 #############################################################
-U_BOOT_VERSION:=$(call qstrip,$(BR2_UBOOT_VERSION))
+U_BOOT_VERSION:=$(call qstrip,$(BR2_TARGET_UBOOT_VERSION))
 U_BOOT_BOARD_NAME:=$(call qstrip,$(BR2_TARGET_UBOOT_BOARDNAME))
 
 # U-Boot may not be selected in the configuration, but mkimage might