ASoC: dt-bindings: use "soundwire" as controller's node name in examples

Soundwire Devicetree bindings expect the Soundwire controller device
node to be named just "soundwire".  Correct examples, so the incorrect
code will not be re-used.

Reported-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20231107101610.13728-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>

Documentation/devicetree/bindings/sound/adi,max98363.yaml

@@ -39,7 +39,7 @@ unevaluatedProperties: false
 
 examples:
   - |
-    soundwire-controller@3250000 {
+    soundwire@3250000 {
         #address-cells = <2>;
         #size-cells = <0>;
         reg = <0x3250000 0x2000>;

Documentation/devicetree/bindings/sound/qcom,wsa883x.yaml

@@ -52,7 +52,7 @@ examples:
   - |
     #include <dt-bindings/gpio/gpio.h>
 
-    soundwire-controller@3250000 {
+    soundwire@3250000 {
         #address-cells = <2>;
         #size-cells = <0>;
         reg = <0x3250000 0x2000>;

Documentation/devicetree/bindings/sound/qcom,wsa8840.yaml

@@ -48,7 +48,7 @@ examples:
   - |
     #include <dt-bindings/gpio/gpio.h>
 
-    soundwire-controller {
+    soundwire {
         #address-cells = <2>;
         #size-cells = <0>;