kernel: Include OEM DTBs in build

Some OEMs (for example: oplus) push their dtbs to their own folders which causes kernel build to error out, fix this by including non qcom dtbs as well.

Change-Id: I2f51db103475cd2609cd061e0ec66af5accb96ab
diff --git a/build/tasks/kernel.mk b/build/tasks/kernel.mk
index 87dc58b..ac87a07 100644
--- a/build/tasks/kernel.mk
+++ b/build/tasks/kernel.mk
@@ -609,7 +609,7 @@
 ifeq ($(BOARD_USES_QCOM_MERGE_DTBS_SCRIPT),true)
 	$(hide) find $(DTBS_BASE) -type f -name "*.dtb*" | xargs rm -f
 	$(hide) find $(DTBS_OUT) -type f -name "*.dtb*" | xargs rm -f
-	mv $(DTB_OUT)/arch/$(KERNEL_ARCH)/boot/dts/vendor/qcom/*.dtb $(DTB_OUT)/arch/$(KERNEL_ARCH)/boot/dts/vendor/*/*.dtbo $(DTBS_BASE)/
+	mv $(DTB_OUT)/arch/$(KERNEL_ARCH)/boot/dts/vendor/*/*.dtb $(DTB_OUT)/arch/$(KERNEL_ARCH)/boot/dts/vendor/*/*.dtbo $(DTBS_BASE)/
 	PATH=$(abspath $(HOST_OUT_EXECUTABLES)):$${PATH} python3 $(BUILD_TOP)/vendor/leaf/build/tools/merge_dtbs.py $(DTBS_BASE) $(DTB_OUT)/arch/$(KERNEL_ARCH)/boot/dts/vendor/qcom $(DTBS_OUT)
 	cat $(shell find $(DTB_OUT)/out -type f -name "${TARGET_MERGE_DTBS_WILDCARD}.dtb" | sort) > $@
 else