dt-bindings: phy: qcom,usb-snps-femto-v2: Add bindings for SC7280

Add the compatible string for sc7280 SoC from Qualcomm
Signed-off-by: Sandeep Maheswaram <sanm@codeaurora.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/1615978901-4202-3-git-send-email-sanm@codeaurora.orgSigned-off-by: Vinod Koul <vkoul@kernel.org>

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

@@ -16,6 +16,7 @@ properties:
   compatible:
     enum:
       - qcom,usb-snps-hs-7nm-phy
+      - qcom,sc7280-usb-hs-phy
       - qcom,sm8150-usb-hs-phy
       - qcom,sm8250-usb-hs-phy
       - qcom,sm8350-usb-hs-phy