dt-bindings: pinctrl: pinctrl-single: add marvell,pxa1908-padconf compatible

Add the "marvell,pxa1908-padconf" compatible to allow migrating to a
separate pinctrl driver later.

Reviewed-by: Rob Herring <[email protected]>
Acked-by: Linus Walleij <[email protected]>
Signed-off-by: Duje Mihanović <[email protected]>
Link: https://lore.kernel.org/[email protected]
Signed-off-by: Linus Walleij <[email protected]>

Author: LegoLivesMatter

Documentation/devicetree/bindings/pinctrl/pinctrl-single.yaml

@@ -33,6 +33,10 @@ properties:
               - ti,omap5-padconf
               - ti,j7200-padconf
           - const: pinctrl-single
+      - items:
+          - enum:
+              - marvell,pxa1908-padconf
+          - const: pinconf-single
 
   reg:
     maxItems: 1