configs/orangepipc: bump u-boot to 2016.01

And configure it for kconfig mode, as that is what it is using.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

configs/orangepipc_defconfig

@@ -20,10 +20,10 @@ BR2_TARGET_ROOTFS_EXT2=y
 BR2_TARGET_ROOTFS_EXT2_4=y
 # BR2_TARGET_ROOTFS_TAR is not set
 BR2_TARGET_UBOOT=y
-BR2_TARGET_UBOOT_BOARDNAME="orangepi_pc"
-BR2_TARGET_UBOOT_CUSTOM_GIT=y
-BR2_TARGET_UBOOT_CUSTOM_REPO_URL="http://git.denx.de/u-boot.git"
-BR2_TARGET_UBOOT_CUSTOM_REPO_VERSION="4832e17787acb29734d895751bc7a594908aecc6"
+BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y
+BR2_TARGET_UBOOT_BOARD_DEFCONFIG="orangepi_pc"
+BR2_TARGET_UBOOT_CUSTOM_VERSION=y
+BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2016.01"
 BR2_TARGET_UBOOT_NEEDS_DTC=y
 BR2_TARGET_UBOOT_FORMAT_CUSTOM=y
 BR2_TARGET_UBOOT_FORMAT_CUSTOM_NAME="u-boot-sunxi-with-spl.bin"