ARM: dts: rockchip: Add rv1126 uart5m2_xfer pins

Add uart5m2_xfer pins for Rockchip RV1126 uart5.

Signed-off-by: Jagan Teki <jagan@edgeble.ai>
Link: https://lore.kernel.org/r/20230731103518.2906147-9-jagan@edgeble.ai
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

Author: openedev

arch/arm/boot/dts/rockchip/rv1126-pinctrl.dtsi

@@ -267,5 +267,13 @@
 				/* uart5_tx_m0 */
 				<3 RK_PA6 4 &pcfg_pull_up>;
 		};
+		/omit-if-no-ref/
+		uart5m2_xfer: uart5m2-xfer {
+			rockchip,pins =
+				/* uart5_rx_m2 */
+				<2 RK_PA1 3 &pcfg_pull_up>,
+				/* uart5_tx_m2 */
+				<2 RK_PA0 3 &pcfg_pull_up>;
+		};
 	};
 };