arm64: dts: qcom: sc7280-idp: drop incorrect dai-cells from WCD938x SDW

The WCD938x audio codec Soundwire interface part is not a DAI and does
not allow sound-dai-cells:

  sc7280-idp.dtb: codec@0,4: '#sound-dai-cells' does not match any of the regexes: 'pinctrl-[0-9]+'

Signed-off-by: Krzysztof Kozlowski <[email protected]>
Reviewed-by: Douglas Anderson <[email protected]>
Reviewed-by: Konrad Dybcio <[email protected]>
Signed-off-by: Bjorn Andersson <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

Author: krzk

arch/arm64/boot/dts/qcom/sc7280-idp.dtsi

@@ -480,7 +480,6 @@
 	wcd_rx: codec@0,4 {
 		compatible = "sdw20217010d00";
 		reg = <0 4>;
-		#sound-dai-cells = <1>;
 		qcom,rx-port-mapping = <1 2 3 4 5>;
 	};
 };
@@ -491,7 +490,6 @@
 	wcd_tx: codec@0,3 {
 		compatible = "sdw20217010d00";
 		reg = <0 3>;
-		#sound-dai-cells = <1>;
 		qcom,tx-port-mapping = <1 2 3 4>;
 	};
 };