ramips: move mt7620n i2c_pins definition to right place

Move to i2c pins pinmux node to the pinctrl node.

Fixes: a0685deec4 ("ramips: Add i2c support for mt7620n")

Signed-off-by: Andrey Jr. Melnikov <temnota.am@gmail.com>
[fix commit message]
Signed-off-by: Mathias Kresin <dev@kresin.me>

target/linux/ramips/dts/mt7620n.dtsi

@@ -208,13 +208,6 @@
 			pinctrl-0 = <&spi_cs1>;
 		};
 
-		i2c_pins: i2c {
-			i2c {
-				ralink,group = "i2c";
-				ralink,function = "i2c";
-			};
-		};
-
 		uartlite: uartlite@c00 {
 			compatible = "ralink,mt7620a-uart", "ralink,rt2880-uart", "ns16550a";
 			reg = <0xc00 0x100>;
@@ -272,6 +265,13 @@
 			};
 		};
 
+		i2c_pins: i2c {
+			i2c {
+				ralink,group = "i2c";
+				ralink,function = "i2c";
+			};
+		};
+
 		uartlite_pins: uartlite {
 			uart {
 				ralink,group = "uartlite";