dt-bindings: phy: qcom,usb-snps-femto-v2: Add bindings for SA8775P

Document the compatible string for USB phy found in Qualcomm SA8775P SoC
Signed-off-by: Shazad Hussain <quic_shazhuss@quicinc.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230428130824.23803-3-quic_shazhuss@quicinc.comSigned-off-by: Vinod Koul <vkoul@kernel.org>

Documentation/devicetree/bindings/phy/qcom,usb-snps-femto-v2.yaml

@@ -20,6 +20,7 @@ properties:
           - qcom,usb-snps-femto-v2-phy
       - items:
           - enum:
+              - qcom,sa8775p-usb-hs-phy
               - qcom,sc8280xp-usb-hs-phy
           - const: qcom,usb-snps-hs-5nm-phy
       - items: