ARM: dts: iwg20d-q7: Add chosen node

Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/r8a7743-iwg20d-q7.dts

@@ -20,6 +20,11 @@ aliases {
 		ethernet0 = &avb;
 	};
 
+	chosen {
+		bootargs = "ignore_loglevel rw root=/dev/nfs ip=dhcp";
+		stdout-path = "serial0:115200n8";
+	};
+
 	vcc_sdhi1: regulator-vcc-sdhi1 {
 		compatible = "regulator-fixed";