Copy device tree into unpacked kernel source
This bit of logic enables out of (kernel) tree device trees but still
use the kernel build and oe support for device tree to compile it.
diff --git a/meta-phosphor/common/recipes-kernel/linux/linux-obmc_4.2.bb b/meta-phosphor/common/recipes-kernel/linux/linux-obmc_4.2.bb
index f49b3fc..247f64c 100644
--- a/meta-phosphor/common/recipes-kernel/linux/linux-obmc_4.2.bb
+++ b/meta-phosphor/common/recipes-kernel/linux/linux-obmc_4.2.bb
@@ -18,3 +18,13 @@
inherit kernel
require recipes-kernel/linux/linux-yocto.inc
+
+do_patch_append() {
+ for DTB in "${KERNEL_DEVICETREE}"; do
+ DT=`basename ${DTB} .dtb`
+ if [ -r "${WORKDIR}/${DT}.dts" ]; then
+ cp ${WORKDIR}/${DT}.dts \
+ ${STAGING_KERNEL_DIR}/arch/${ARCH}/boot/dts
+ fi
+ done
+}