regulator: dt-bindings: qcom,qca6390-pmu: add more properties for wcn6855

Document two supplies that are used by this model and the optional
xo-clk signal.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20241018-sc8280xp-pwrseq-v6-1-8da8310d9564@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: Bartosz Golaszewski

Documentation/devicetree/bindings/regulator/qcom,qca6390-pmu.yaml

@@ -33,6 +33,12 @@ properties:
   vddpmu-supply:
     description: VDD_PMU supply regulator handle
 
+  vddpmumx-supply:
+    description: VDD_PMU_MX supply regulator handle
+
+  vddpmucx-supply:
+    description: VDD_PMU_CX supply regulator handle
+
   vddio1p2-supply:
     description: VDD_IO_1P2 supply regulator handle
 
@@ -72,6 +78,10 @@ properties:
     maxItems: 1
     description: GPIO line indicating the state of the clock supply to the BT module
 
+  xo-clk-gpios:
+    maxItems: 1
+    description: GPIO line allowing to select the XO clock configuration for the module
+
   clocks:
     maxItems: 1
     description: Reference clock handle
@@ -119,6 +129,8 @@ allOf:
         - vddio-supply
         - vddaon-supply
         - vddpmu-supply
+        - vddpmumx-supply
+        - vddpmucx-supply
         - vddrfa0p95-supply
         - vddrfa1p3-supply
         - vddrfa1p9-supply