ASoC: dt-bindings: tas2770: add compatible for TAS5770L

A variant of TAS2770 known as TAS5770L is found in Apple Silicon Macs.

Reviewed-by: Neal Gompa <neal@gompa.dev>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: James Calligeros <jcalligeros99@gmail.com>
Link: https://patch.msgid.link/20250227-apple-codec-changes-v3-2-cbb130030acf@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: chadmed

Documentation/devicetree/bindings/sound/ti,tas2770.yaml

@@ -23,6 +23,7 @@ properties:
   compatible:
     enum:
       - ti,tas2770
+      - ti,tas5770l # Apple variant
 
   reg:
     maxItems: 1