arm64: dts: rockchip: Add initial support for Pinebook Pro

This commit adds initial dt support for the rk3399 based Pinebook Pro.

Signed-off-by: Tobias Schramm <t.schramm@manjaro.org>
Link: https://lore.kernel.org/r/20200304213023.689983-3-t.schramm@manjaro.org
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

Author: TobleMiner

arch/arm64/boot/dts/rockchip/Makefile

@@ -28,6 +28,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-nanopc-t4.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-nanopi-m4.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-nanopi-neo4.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-orangepi.dtb
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-pinebook-pro.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-puma-haikou.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-roc-pc.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-roc-pc-mezzanine.dtb