dt-bindings: net: bluetooth: nxp: add support for supply and reset

Add support for chip power supply and chip reset/powerdown.

Signed-off-by: Catalin Popescu <[e-mail]>
Acked-by: Conor Dooley <[e-mail]>
Signed-off-by: Luiz Augusto von Dentz <[e-mail]>

Documentation/devicetree/bindings/net/bluetooth/nxp,88w8987-bt.yaml

···
     description:
       The GPIO number of the NXP chipset used for BT_WAKE_OUT.
 
+  vcc-supply:
+    description:
+      phandle of the regulator that provides the supply voltage.
+
+  reset-gpios:
+    description:
+      Chip powerdown/reset signal (PDn).
+
 required:
   - compatible
 
···
             device-wakeup-gpios = <&gpio 11 GPIO_ACTIVE_HIGH>;
             nxp,wakein-pin = /bits/ 8 <18>;
             nxp,wakeout-pin = /bits/ 8 <19>;
+            vcc-supply = <&nxp_iw612_supply>;
+            reset-gpios = <&gpioctrl 2 GPIO_ACTIVE_LOW>;
             local-bd-address = [66 55 44 33 22 11];
             interrupt-parent = <&gpio>;
             interrupts = <8 IRQ_TYPE_EDGE_FALLING>;