Bump buidlroot version to 2018.02.6

bsp/buildroot/boot/arm-trusted-firmware/Config.in

@@ -14,7 +14,7 @@ choice
 	  Select the specific ATF version you want to use
 
 config BR2_TARGET_ARM_TRUSTED_FIRMWARE_LATEST_VERSION
-	bool "v1.2"
+	bool "v1.4"
 
 config BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_TARBALL
 	bool "Custom tarball"
@@ -33,7 +33,7 @@ endif
 
 config BR2_TARGET_ARM_TRUSTED_FIRMWARE_VERSION
 	string
-	default "v1.2"		if BR2_TARGET_ARM_TRUSTED_FIRMWARE_LATEST_VERSION
+	default "v1.4"		if BR2_TARGET_ARM_TRUSTED_FIRMWARE_LATEST_VERSION
 	default "custom"	if BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_TARBALL
 	default BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_REPO_VERSION \
 				if BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_GIT
@@ -56,6 +56,30 @@ config BR2_TARGET_ARM_TRUSTED_FIRMWARE_PLATFORM
 	help
 	  Target plaform to build for.
 
+config BR2_TARGET_ARM_TRUSTED_FIRMWARE_FIP
+	bool "Build FIP image"
+	help
+	  This option enables building the FIP image (Firmware Image
+	  Package). This is typically the image format used by
+	  platforms were ATF encapsulates the second stage bootloader
+	  (such as U-Boot).
+
+config BR2_TARGET_ARM_TRUSTED_FIRMWARE_BL31
+	bool "Build BL31 image"
+	help
+	  This option enables building the BL31 image. This is
+	  typically used on platforms where another bootloader (e.g
+	  U-Boot) encapsulates ATF BL31.
+
+config BR2_TARGET_ARM_TRUSTED_FIRMWARE_UBOOT_AS_BL33
+	bool "Use U-Boot as BL33"
+	depends on BR2_TARGET_UBOOT
+	help
+	  This option allows to embed u-boot.bin as the BL33 part of
+	  the ARM Trusted Firmware. It ensures that the u-boot package
+	  gets built before ATF, and that the appropriate BL33
+	  variable pointing to u-boot.bin is passed when building ATF.
+
 config BR2_TARGET_ARM_TRUSTED_FIRMWARE_ADDITIONAL_VARIABLES
 	string "Additional ATF build variables"
 	help