ASoC: dt-bindings: mediatek: mt8192: Add i2s-share properties

The Mediatek AFE PCM controller for MT8192 allows sharing of an I2S bus
between two busses. Add a pattern for these properties in the
dt-binding.
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Link: https://lore.kernel.org/r/20220429203039.2207848-2-nfraprado@collabora.comSigned-off-by: Mark Brown <broonie@kernel.org>

Documentation/devicetree/bindings/sound/mt8192-afe-pcm.yaml

@@ -54,6 +54,11 @@ properties:
       - const: aud_infra_clk
       - const: aud_infra_26m_clk
 
+patternProperties:
+  "^i2s[0-35-9]-share$":
+    description: Name of the I2S bus that is shared with this bus
+    pattern: "^I2S[0-35-9]$"
+
 required:
   - compatible
   - interrupts