ramips: dts: mt7621: add missing pinctrl for uart0

This is necessary to make it work properly.

Signed-off-by: Shiji Yang <yangshiji66@outlook.com>
Link: https://github.com/openwrt/openwrt/pull/22738
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

target/linux/ramips/dts/mt7621.dtsi

@@ -171,6 +171,9 @@
 			reg-shift = <2>;
 			reg-io-width = <4>;
 			no-loopback-test;
+
+			pinctrl-0 = <&uart1_pins>;
+			pinctrl-names = "default";
 		};
 
 		uartlite2: uartlite2@d00 {

target/linux/ramips/dts/mt7621_elecom_wrc-x1800gs.dts

@@ -272,8 +272,3 @@
 		function = "gpio";
 	};
 };
-
-&uartlite {
-	pinctrl-0 = <&uart1_pins>;
-	pinctrl-names = "default";
-};

target/linux/ramips/dts/mt7621_elecom_wxc-x1800gsx.dtsi

@@ -225,11 +225,6 @@
 	};
 };
 
-&uartlite {
-	pinctrl-0 = <&uart1_pins>;
-	pinctrl-names = "default";
-};
-
 &xhci {
 	status = "disabled";
 };