arm64: mt8173.dtsi: correct i2c node names

Node name in device tree should describe general class of the
device. Correct incorrect i2c node names.
Signed-off-by: Yingjoe Chen <yingjoe.chen@mediatek.com>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>

arch/arm64/boot/dts/mediatek/mt8173.dtsi

@@ -365,7 +365,7 @@ i2c2: i2c@11009000 {
 			status = "disabled";
 		};
 
-		i2c3: i2c3@11010000 {
+		i2c3: i2c@11010000 {
 			compatible = "mediatek,mt8173-i2c";
 			reg = <0 0x11010000 0 0x70>,
 			      <0 0x11000280 0 0x80>;
@@ -381,7 +381,7 @@ i2c3: i2c3@11010000 {
 			status = "disabled";
 		};
 
-		i2c4: i2c4@11011000 {
+		i2c4: i2c@11011000 {
 			compatible = "mediatek,mt8173-i2c";
 			reg = <0 0x11011000 0 0x70>,
 			      <0 0x11000300 0 0x80>;
@@ -397,7 +397,7 @@ i2c4: i2c4@11011000 {
 			status = "disabled";
 		};
 
-		i2c6: i2c6@11013000 {
+		i2c6: i2c@11013000 {
 			compatible = "mediatek,mt8173-i2c";
 			reg = <0 0x11013000 0 0x70>,
 			      <0 0x11000080 0 0x80>;