Bluetooth: btbcm: Add BCM4334 DT binding

BCM4334 was missing from the binding.

Cc: devicetree@vger.kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

Documentation/devicetree/bindings/net/broadcom-bluetooth.yaml

@@ -18,6 +18,7 @@ properties:
       - brcm,bcm20702a1
       - brcm,bcm4329-bt
       - brcm,bcm4330-bt
+      - brcm,bcm4334-bt
       - brcm,bcm43438-bt
       - brcm,bcm4345c5
       - brcm,bcm43540-bt