[C31][DTS] set cpu dai as master and enable mic bias

Set simple-audio-card,cpu as both bitclock-master and frame-master in
simple-audio card; add mic-bias to codec.

This fixes issue with mic input which does not work.

arch/arm64/boot/dts/seco/seco-rk3399-c31.dtsi

@@ -199,6 +199,8 @@ tlv320aic32x4_sound: tlv320aic32x4-sound {
 		status = "okay";
 
 		sound_master: simple-audio-card,cpu {
+			bitclock-master;
+			frame-master;
 			sound-dai = <&i2s0>;
 		};
 		simple-audio-card,codec {
@@ -752,6 +754,7 @@ tlvcodec: tlv320aic32x4@18 {
 		clock-names = "mclk";
 		assigned-clocks = <&cru SCLK_I2SOUT_SRC>;
 		assigned-clock-parents = <&cru SCLK_I2S0_8CH>;
+		mic-bias;
 		iov-supply = <&vcc1v8_run>;
 		dv-supply = <&vcc1v8_aud>;
 		av-supply = <&vcc1v8_aud>;