dt-bindings: phy: Add eDP PHY compatible for sc7280

Add compatible string for the supported eDP PHY on sc7280 platform.

Signed-off-by: Sankeerth Billakanti <[e-mail]>
Reviewed-by: Stephen Boyd <[e-mail]>
Signed-off-by: Douglas Anderson <[e-mail]>
Link: https://lore.kernel.org/r/20220207161612.REPOST.v1.1.Iee1d505f0a35c2805f0468625b117d2e0f0ad339@changeid
Signed-off-by: Vinod Koul <[e-mail]>

Documentation/devicetree/bindings/phy/qcom,edp-phy.yaml

···
 
 properties:
   compatible:
-    const: qcom,sc8180x-edp-phy
+    enum:
+      - qcom,sc7280-edp-phy
+      - qcom,sc8180x-edp-phy
 
   reg:
     items: