arm64: dts: rockchip: Add I2S2 M0 pin definitions to rk3588s

This is used on Orange Pi 5 Plus.
Signed-off-by: Ondrej Jirman <megi@xff.cz>
Link: https://lore.kernel.org/r/20231008130515.1155664-2-megi@xff.czSigned-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm64/boot/dts/rockchip/rk3588s-pinctrl.dtsi

@@ -1349,6 +1349,41 @@ i2s1m1_sdo3: i2s1m1-sdo3 {
 	};
 
 	i2s2 {
+		/omit-if-no-ref/
+		i2s2m0_lrck: i2s2m0-lrck {
+			rockchip,pins =
+				/* i2s2m0_lrck */
+				<2 RK_PC0 2 &pcfg_pull_none>;
+		};
+
+		/omit-if-no-ref/
+		i2s2m0_mclk: i2s2m0-mclk {
+			rockchip,pins =
+				/* i2s2m0_mclk */
+				<2 RK_PB6 2 &pcfg_pull_none>;
+		};
+
+		/omit-if-no-ref/
+		i2s2m0_sclk: i2s2m0-sclk {
+			rockchip,pins =
+				/* i2s2m0_sclk */
+				<2 RK_PB7 2 &pcfg_pull_none>;
+		};
+
+		/omit-if-no-ref/
+		i2s2m0_sdi: i2s2m0-sdi {
+			rockchip,pins =
+				/* i2s2m0_sdi */
+				<2 RK_PC3 2 &pcfg_pull_none>;
+		};
+
+		/omit-if-no-ref/
+		i2s2m0_sdo: i2s2m0-sdo {
+			rockchip,pins =
+				/* i2s2m0_sdo */
+				<4 RK_PC3 2 &pcfg_pull_none>;
+		};
+
 		/omit-if-no-ref/
 		i2s2m1_lrck: i2s2m1-lrck {
 			rockchip,pins =