uboot: bump to version 2017.09

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

boot/uboot/Config.in

@@ -38,7 +38,7 @@ choice
 	  Select the specific U-Boot version you want to use
 
 config BR2_TARGET_UBOOT_LATEST_VERSION
-	bool "2017.07"
+	bool "2017.09"
 
 config BR2_TARGET_UBOOT_CUSTOM_VERSION
 	bool "Custom version"
@@ -86,7 +86,7 @@ endif
 
 config BR2_TARGET_UBOOT_VERSION
 	string
-	default "2017.07"	if BR2_TARGET_UBOOT_LATEST_VERSION
+	default "2017.09"	if BR2_TARGET_UBOOT_LATEST_VERSION
 	default BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE \
 		if BR2_TARGET_UBOOT_CUSTOM_VERSION
 	default "custom"	if BR2_TARGET_UBOOT_CUSTOM_TARBALL

boot/uboot/uboot.hash

@@ -1,2 +1,2 @@
 # Locally computed:
-sha256  5374bfdc8acb9a38c025371b1ff20f45e7533668e84e685d0df5d9e7c0e4feff  u-boot-2017.07.tar.bz2
+sha256  b2d15f2cf5f72e706025cde73d67247c6da8cd35f7e10891eefe7d9095089744  u-boot-2017.09.tar.bz2