ASoC: dt-bindings: add entry for TAS5720A-Q1 driver

Add entry for the TAS5720A-Q1 driver in the dt-bindings doc.
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Steffen Aschbacher <steffen.aschbacher@stihl.de>
Signed-off-by: Alexandru Ardelean <alex@shruggie.ro>
Link: https://lore.kernel.org/r/20230128082744.41849-4-alex@shruggie.roSigned-off-by: Mark Brown <broonie@kernel.org>

Documentation/devicetree/bindings/sound/tas5720.txt

@@ -6,11 +6,13 @@ audio playback. For more product information please see the links below:
 
 https://www.ti.com/product/TAS5720L
 https://www.ti.com/product/TAS5720M
+https://www.ti.com/product/TAS5720A-Q1
 https://www.ti.com/product/TAS5722L
 
 Required properties:
 
 - compatible : "ti,tas5720",
+               "ti,tas5720a-q1",
                "ti,tas5722"
 - reg : I2C slave address
 - dvdd-supply : phandle to a 3.3-V supply for the digital circuitry