ASoC: tas571x: add tas5733 compatible

This adds the tas5733 to the TAS571X binding.
Signed-off-by: Kamel Bouhara <kamel.bouhara@bootlin.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230222083300.218523-2-kamel.bouhara@bootlin.comSigned-off-by: Mark Brown <broonie@kernel.org>

Documentation/devicetree/bindings/sound/tas571x.txt

@@ -12,6 +12,7 @@ Required properties:
   - "ti,tas5717",
   - "ti,tas5719",
   - "ti,tas5721"
+  - "ti,tas5733"
 - reg: The I2C address of the device
 - #sound-dai-cells: must be equal to 0