[PATCH] make: dts: fix out-of-tree build

[Silvio Fricke]

If barebox is builded out-of-tree we don't find the dts-include

This patch prevent us to get this:
/[...]/barebox/drivers/input/keymap.c:4:37: fatal error: dt-bindings/input/input.h: No such file or directory

Signed-off-by: Silvio Fricke <silvio.fricke at gmail.com>
---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index a54b82b..c654f4f 100644
--- a/Makefile
+++ b/Makefile
@@ -290,7 +290,7 @@ export MODVERDIR := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_ve
 
 # Use LINUXINCLUDE when you must reference the include/ directory.
 # Needed to be compatible with the O= option
-LINUXINCLUDE    := -Iinclude -Idts/include \
+LINUXINCLUDE    := -Iinclude -I$(srctree)/dts/include \
                    $(if $(KBUILD_SRC),-Iinclude2 -I$(srctree)/include) \
 		   -I$(srctree)/arch/$(ARCH)/include \
 		   -I$(objtree)/arch/$(ARCH)/include \
-- 
1.9.2