ASoC: dt-bindings: qcom,lpass-cpu: Fix DAI children pattern

DAI children (as subnodes) can come with two-digit unit addresses:

  sc7280-herobrine-crd.dtb: audio@3987000: Unevaluated properties are not allowed ('dai-link@19', 'dai-link@25' were unexpected)
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20221227163135.102559-2-krzysztof.kozlowski@linaro.orgSigned-off-by: Mark Brown <broonie@kernel.org>

Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml

@@ -78,7 +78,7 @@ properties:
     const: 0
 
 patternProperties:
-  "^dai-link@[0-9a-f]$":
+  "^dai-link@[0-9a-f]+$":
     type: object
     description: |
       LPASS CPU dai node for each I2S device or Soundwire device. Bindings of each node