media: dt-bindings: media: camss: Add vdda supply declarations sm8250

Add in missing vdda-phy-supply and vdda-pll-supply declarations. The
sm8250 USB, PCIe, UFS, DSI and CSI PHYs use a common set of vdda rails.
Define the CSI vdda regulators in the same way the qmp PHY does.

Reviewed-by: Robert Foss <robert.foss@linaro.org>
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

Documentation/devicetree/bindings/media/qcom,sm8250-camss.yaml

@@ -265,6 +265,14 @@ properties:
       - const: vfe_lite0
       - const: vfe_lite1
 
+  vdda-phy-supply:
+    description:
+      Phandle to a regulator supply to PHY core block.
+
+  vdda-pll-supply:
+    description:
+      Phandle to 1.8V regulator supply to PHY refclk pll block.
+
 required:
   - clock-names
   - clocks
@@ -277,6 +285,8 @@ required:
   - power-domains
   - reg
   - reg-names
+  - vdda-phy-supply
+  - vdda-pll-supply
 
 additionalProperties: false
 
@@ -316,6 +326,9 @@ examples:
                         "vfe_lite0",
                         "vfe_lite1";
 
+            vdda-phy-supply = <&vreg_l5a_0p88>;
+            vdda-pll-supply = <&vreg_l9a_1p2>;
+
             interrupts = <GIC_SPI 477 IRQ_TYPE_LEVEL_HIGH>,
                          <GIC_SPI 478 IRQ_TYPE_LEVEL_HIGH>,
                          <GIC_SPI 479 IRQ_TYPE_LEVEL_HIGH>,