ARM: dts: rockchip: fix rk322x i2s1 pinctrl error

Refer to Chapter 5.3.2 of rk3229 TRM, we can see that GPIO1A[2,4,5]
using RK_FUNC_2 not RK_FUNC_1. This patch fixes it.
Signed-off-by: Sugar Zhang <sugar.zhang@rock-chips.com>
Signed-off-by: Frank Wang <frank.wang@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm/boot/dts/rk322x.dtsi

@@ -621,9 +621,9 @@ i2s1_bus: i2s1-bus {
 						<0 12 RK_FUNC_1 &pcfg_pull_none>,
 						<0 13 RK_FUNC_1 &pcfg_pull_none>,
 						<0 14 RK_FUNC_1 &pcfg_pull_none>,
-						<1 2 RK_FUNC_1 &pcfg_pull_none>,
-						<1 4 RK_FUNC_1 &pcfg_pull_none>,
-						<1 5 RK_FUNC_1 &pcfg_pull_none>;
+						<1 2 RK_FUNC_2 &pcfg_pull_none>,
+						<1 4 RK_FUNC_2 &pcfg_pull_none>,
+						<1 5 RK_FUNC_2 &pcfg_pull_none>;
 			};
 		};