rockchip: rk356x: Add rk3568-u-boot.dtsi

Add a <CONFIG_SYS_SOC>-u-boot.dtsi file that gets included by default
for RK356x boards when a board specific u-boot.dtsi file dont exists.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>

diff --git a/arch/arm/dts/rk3568-u-boot.dtsi b/arch/arm/dts/rk3568-u-boot.dtsi
new file mode 100644 (file)
index 0000000..6e8307e
--- /dev/null
+++ b/arch/arm/dts/rk3568-u-boot.dtsi
@@ -0,0 +1,3 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+
+#include "rk356x-u-boot.dtsi"