ARM: shmobile: lager dts: Use generic names for device nodes

sound-codec -> codec
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/r8a7790-lager.dts

@@ -525,7 +525,7 @@ &iic2	{
 
 	clock-frequency = <100000>;
 
-	ak4643: sound-codec@12 {
+	ak4643: codec@12 {
 		compatible = "asahi-kasei,ak4643";
 		#sound-dai-cells = <0>;
 		reg = <0x12>;