dt-bindings: display/msm: add sm8350 and sm8450 DSI PHYs

SM8350 and SM8450 platforms use the same driver and same bindings as the
existing 7nm DSI PHYs. Add corresponding compatibility strings.
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/514228/
Link: https://lore.kernel.org/r/20221207012231.112059-4-dmitry.baryshkov@linaro.org
[DB: changed compatibles per Krzysztof's request]
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

Documentation/devicetree/bindings/display/msm/dsi-phy-7nm.yaml

@@ -18,6 +18,8 @@ properties:
       - qcom,dsi-phy-7nm
       - qcom,dsi-phy-7nm-8150
       - qcom,sc7280-dsi-phy-7nm
+      - qcom,sm8350-dsi-phy-5nm
+      - qcom,sm8450-dsi-phy-5nm
 
   reg:
     items: