dt-bindings: phy: qcom,usb-snps-femto-v2: Add bindings for SM8450

Document the compatible string for USB phy found in Qualcomm SM8450 SoC
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211213131450.535775-1-vkoul@kernel.orgSigned-off-by: Vinod Koul <vkoul@kernel.org>

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

@@ -20,6 +20,7 @@ properties:
       - qcom,sm8150-usb-hs-phy
       - qcom,sm8250-usb-hs-phy
       - qcom,sm8350-usb-hs-phy
+      - qcom,sm8450-usb-hs-phy
       - qcom,usb-snps-femto-v2-phy
 
   reg: