ARM: dts: am335x-evm: Rename pinctrl section for McASP1

Use mcasp1_pins as name for the pinctrl section needed for McASP1 instead
of the am335x_evm_audio_pins name.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/boot/dts/am335x-evm.dts

@@ -342,7 +342,7 @@ lcd_pins_s0: lcd_pins_s0 {
 		>;
 	};
 
-	am335x_evm_audio_pins: am335x_evm_audio_pins {
+	mcasp1_pins: mcasp1_pins {
 		pinctrl-single,pins = <
 			0x10c (PIN_INPUT_PULLDOWN | MUX_MODE4) /* mii1_crs.mcasp1_aclkx */
 			0x110 (PIN_INPUT_PULLDOWN | MUX_MODE4) /* mii1_rxerr.mcasp1_fsx */
@@ -576,7 +576,7 @@ partition@9 {
 
 &mcasp1 {
 	pinctrl-names = "default";
-	pinctrl-0 = <&am335x_evm_audio_pins>;
+	pinctrl-0 = <&mcasp1_pins>;
 
 	status = "okay";