rockchip: dts: rk3399-puma: set spl-payload-offset

defines the spl-payload to 256k (0x40000)
Signed-off-by: NKlaus Goger <klaus.goger@theobroma-systems.com>
Signed-off-by: NPhilipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: NSimon Glass <sjg@chromium.org>

arch/arm/dts/rk3399-puma.dts

@@ -14,7 +14,8 @@
 	compatible = "tsd,puma", "rockchip,rk3399";
 
 	config {
-	        u-boot,spl-payload-offset = <204800>;
+		u-boot,spl-payload-offset = <0x40000>; // 256kbyte
+		u-boot,boot-led = "puma:orange:power";
 	};
 
 	chosen {