ASoC: dt-bindings: cirrus,cs42l43: Add CS42L43B variant

CS42L43B variant adds dedicated PDM interface, SoundWire Clock Gearing
support and more decimators to ISRCs.

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Maciej Strozek <mstrozek@opensource.cirrus.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://patch.msgid.link/20260306152829.3130530-3-mstrozek@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: mstrozek

Documentation/devicetree/bindings/sound/cirrus,cs42l43.yaml

@@ -16,6 +16,8 @@ description: |
   DAC for headphone output, two integrated Class D amplifiers for
   loudspeakers, and two ADCs for wired headset microphone input or
   stereo line input. PDM inputs are provided for digital microphones.
+  CS42L43B variant adds dedicated PDM interface, SoundWire Clock Gearing
+  support and more decimators to ISRCs.
 
 allOf:
   - $ref: dai-common.yaml#
@@ -24,6 +26,7 @@ properties:
   compatible:
     enum:
       - cirrus,cs42l43
+      - cirrus,cs42l43b
 
   reg:
     maxItems: 1