ifeq ($(DEVICE_TREE),)
$(if $(CONFIG_DEFAULT_DEVICE_TREE),,\
$(error Please define CONFIG_DEFAULT_DEVICE_TREE in your board header file))
-DEVICE_TREE = $(subst ",,$(CONFIG_DEFAULT_DEVICE_TREE))
+DEVICE_TREE = $(CONFIG_DEFAULT_DEVICE_TREE:"%"=%)
endif
DTS_INCDIRS = $(SRCTREE)/board/$(VENDOR)/$(BOARD)/dts