Bump buildroot to version 2017-02

TG-3 #closed

bsp/buildroot/boot/vexpress-firmware/Config.in

@@ -0,0 +1,6 @@
+config BR2_TARGET_VEXPRESS_FIRMWARE
+	bool "vexpress-firmware"
+	depends on BR2_aarch64
+	help
+	  Versatile Express firmware from ARM, with Linaro mods last
+	  change.

bsp/buildroot/boot/vexpress-firmware/vexpress-firmware.hash

@@ -0,0 +1,2 @@
+# Locally calculated
+sha256 def599c86ab3606f7f67c0190e9b237fbc0cf934a951ffb1c5fb0c47d8a8f3d2	vexpress-firmware-901f81977c3b367a2e0bf3d6444be302822d97a3.tar.gz

bsp/buildroot/boot/vexpress-firmware/vexpress-firmware.mk

@@ -0,0 +1,20 @@
+################################################################################
+#
+# vexpress-firmware
+#
+################################################################################
+
+VEXPRESS_FIRMWARE_VERSION = 901f81977c3b367a2e0bf3d6444be302822d97a3
+VEXPRESS_FIRMWARE_SITE = https://git.linaro.org/arm/vexpress-firmware.git
+VEXPRESS_FIRMWARE_SITE_METHOD = git
+# The only available license files are in PDF and RTF formats, and we
+# support only plain text.
+VEXPRESS_FIRMWARE_LICENSE = ARM EULA
+
+VEXPRESS_FIRMWARE_INSTALL_IMAGES = YES
+
+define VEXPRESS_FIRMWARE_INSTALL_IMAGES_CMDS
+	$(INSTALL) -D -m 0644 $(@D)/SOFTWARE/bl30.bin $(BINARIES_DIR)/scp-fw.bin
+endef
+
+$(eval $(generic-package))