airoha: disable afe by default for an7581

The audio should only be enabled when the sound
node is enabled. This fixes the following error:

an7581-audio 1fbe2200.afe: probe with driver an7581-audio failed with error -2

Fixes: 7b55651 ("airoha: enable I2S sound driver and add nodes for eMMC RFB board")
Signed-off-by: Chukun Pan <amadeus@jmu.edu.cn>
Link: openwrt/openwrt#22660
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

Author: aiamadeus

target/linux/airoha/dts/an7581-evb-emmc.dtsi

@@ -5,6 +5,10 @@
 #include <dt-bindings/gpio/gpio.h>
 #include "an7581.dtsi"
 
+&afe {
+	status = "okay";
+};
+
 &sound {
 	audio-routing = "Headphone", "HP_L",
 			"Headphone", "HP_R",

target/linux/airoha/dts/an7581.dtsi

@@ -439,6 +439,7 @@
 			reg = <0x0 0x1fbe2200 0x0 0x9000>;
 
 			interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>;
+			status = "disabled";
 		};
 
 		uart4: serial@1fbf0600 {