configs: fix configurations that need host-dtc

olimex_a20_olinuxino_lime_defconfig and zedboard_defconfig use U-Boot
2015.07, and they need host-dtc to build properly.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

configs/olimex_a20_olinuxino_lime_defconfig

@@ -37,6 +37,7 @@ BR2_TARGET_UBOOT=y
 BR2_TARGET_UBOOT_BOARDNAME="A20-OLinuXino-Lime"
 BR2_TARGET_UBOOT_CUSTOM_VERSION=y
 BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2015.07"
+BR2_TARGET_UBOOT_NEEDS_DTC=y
 BR2_TARGET_UBOOT_FORMAT_BIN=y
 BR2_TARGET_UBOOT_SPL=y
 BR2_TARGET_UBOOT_SPL_NAME="u-boot-sunxi-with-spl.bin"

configs/zedboard_defconfig

@@ -21,6 +21,7 @@ BR2_TARGET_UBOOT_BOARDNAME="zynq_zed"
 BR2_TARGET_UBOOT_CUSTOM_VERSION=y
 BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2015.07"
 BR2_TARGET_UBOOT_PATCH="$(TOPDIR)/board/avnet/zedboard/uboot"
+BR2_TARGET_UBOOT_NEEDS_DTC=y
 BR2_TARGET_UBOOT_FORMAT_DTB_IMG=y
 BR2_TARGET_UBOOT_SPL=y
 BR2_TARGET_UBOOT_ZYNQ_IMAGE=y