arm64: dts: rockchip: px30: fixup pdm pinctrl

Change-Id: I5a3978a486c63dae718b46be142eed263788e5f3
Signed-off-by: Sugar Zhang <sugar.zhang@rock-chips.com>

Author: Sugar Zhang

arch/arm64/boot/dts/rockchip/px30.dtsi

@@ -1812,7 +1812,7 @@
 
 			pdm_sdi0m0: pdm-sdi0m0 {
 				rockchip,pins =
-					<3 RK_PD3 RK_FUNC_4 &pcfg_pull_none>;
+					<3 RK_PD3 RK_FUNC_2 &pcfg_pull_none>;
 			};
 
 			pdm_sdi0m1: pdm-sdi0m1 {
@@ -1832,7 +1832,7 @@
 
 			pdm_sdi3: pdm-sdi3 {
 				rockchip,pins =
-					<3 RK_PD2 RK_FUNC_4 &pcfg_pull_none>;
+					<3 RK_PD2 RK_FUNC_2 &pcfg_pull_none>;
 			};
 
 			pdm_clk0m0_sleep: pdm-clk0m0-sleep {