From a025837fe723648981d68e23e53d3c4d7f270c21 Mon Sep 17 00:00:00 2001
From: David Lechner <david@lechnology.com>
Date: Mon, 14 Sep 2015 19:08:36 -0500
Subject: [PATCH 183/203] Use dts-dirs feature for overlays.

The kernel makefiles have a dts-dirs target that is for vendor subdirectories.

Using this fixes the install_dtbs target, which previously did not install the overlays.
---
 arch/arm/boot/dts/Makefile | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -15,6 +15,9 @@ endif
 ifeq ($(CONFIG_ARCH_BCM2835),y)
    RPI_DT_OVERLAYS=y
 endif
+ifeq ($(RPI_DT_OVERLAYS),y)
+    dts-dirs += overlays
+endif
 
 dtb-$(CONFIG_ARCH_ALPINE) += \
 	alpine-db.dtb
@@ -683,11 +686,10 @@ targets += $(dtb-y)
 endif
 
 always		:= $(dtb-y)
+subdir-y	:= $(dts-dirs)
 clean-files	:= *.dtb
 
 # Enable fixups to support overlays on BCM2708 platforms
 ifeq ($(RPI_DT_OVERLAYS),y)
 	DTC_FLAGS ?= -@
 endif
-
-subdir-y  += overlays