From 4fc6a04eb157fdf475a9ba6def5a15d2c19a935b Mon Sep 17 00:00:00 2001
From: Tobias Svehagen <tobias.svehagen@gmail.com>
Date: Wed, 6 Nov 2019 14:51:25 +0100
Subject: [PATCH] cmake: dts: Remove duplicates from DTS_ROOT

If duplicates gets passed to scripts/dts/gen_defines.py, the bindings in
those directories will be loaded twice and actually get in conflict with
itself.

Signed-off-by: Tobias Svehagen <tobias.svehagen@gmail.com>
---
 cmake/dts.cmake | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/cmake/dts.cmake b/cmake/dts.cmake
index ab16f92fea7..e0ab9ad5711 100644
--- a/cmake/dts.cmake
+++ b/cmake/dts.cmake
@@ -33,6 +33,8 @@ list(APPEND
   ${ZEPHYR_BASE}
   )
 
+list(REMOVE_DUPLICATES DTS_ROOT)
+
 set(dts_files
   ${DTS_SOURCE}
   ${shield_dts_files}