arch/powerpc/boot/dts/Makefile - linux - Git at Google

 # SPDX-License-Identifier: GPL-2.0

 subdir-y += fsl

 dtstree		:= $(srctree)/$(src)
 dtb-$(CONFIG_OF_ALL_DTBS) := $(patsubst $(dtstree)/%.dts,%.dtb, $(wildcard $(dtstree)/*.dts))
	# SPDX-License-Identifier: GPL-2.0

	subdir-y += fsl

	dtstree := $(srctree)/$(src)
	dtb-$(CONFIG_OF_ALL_DTBS) := $(patsubst $(dtstree)/%.dts,%.dtb, $(wildcard $(dtstree)/*.dts))