ARM: rockchip: enable support for RV1108 SoC

Add a rockchip,rv1108 compatible.
Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
[rk1108->rv1108 rename]
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm/mach-rockchip/rockchip.c

@@ -70,6 +70,7 @@ static const char * const rockchip_board_dt_compat[] = {
 	"rockchip,rk3188",
 	"rockchip,rk3228",
 	"rockchip,rk3288",
+	"rockchip,rv1108",
 	NULL,
 };