dt-bindings: usb: microchip,usb5744: Add second supply

The USB5744 has two power supplies one for 3V3 and one for 1V2. Add the
second supply to the USB5744 DT binding.

Signed-off-by: Stefan Eichenberger <[email protected]>
Signed-off-by: Francesco Dolcini <[email protected]>
Acked-by: Conor Dooley <[email protected]>
Cc: stable <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: eichenberger

Documentation/devicetree/bindings/usb/microchip,usb5744.yaml

@@ -36,7 +36,11 @@ properties:
 
   vdd-supply:
     description:
-      VDD power supply to the hub
+      3V3 power supply to the hub
+
+  vdd2-supply:
+    description:
+      1V2 power supply to the hub
 
   peer-hub:
     $ref: /schemas/types.yaml#/definitions/phandle
@@ -62,6 +66,7 @@ allOf:
       properties:
         reset-gpios: false
         vdd-supply: false
+        vdd2-supply: false
         peer-hub: false
         i2c-bus: false
     else: