clearfog: Update U-Boot
The I2C code got switched upstream to the uclass and driver model
approach which required some changes. Stuff is in the
cesnet/2018-08-20-clearfog branch of the u-boot repo in our Gerrit.
Change-Id: I025ed2755c222a070fab48ad84fd23e2f3dda55e
diff --git a/configs/czechlight_clearfog_defconfig b/configs/czechlight_clearfog_defconfig
index c3ca70d..50150a8 100644
--- a/configs/czechlight_clearfog_defconfig
+++ b/configs/czechlight_clearfog_defconfig
@@ -57,7 +57,7 @@
BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y
BR2_TARGET_UBOOT_CUSTOM_GIT=y
BR2_TARGET_UBOOT_CUSTOM_REPO_URL="https://gerrit.cesnet.cz/github/trini/u-boot"
-BR2_TARGET_UBOOT_CUSTOM_REPO_VERSION="233719cc40"
+BR2_TARGET_UBOOT_CUSTOM_REPO_VERSION="4aee624c92"
BR2_TARGET_UBOOT_PATCH="$(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/clearfog/patches/u-boot/boot.patch"
BR2_TARGET_UBOOT_BOARD_DEFCONFIG="clearfog"
BR2_TARGET_UBOOT_CONFIG_FRAGMENT_FILES="$(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/clearfog/uboot.fragment"