Bluetooth: btusb: Add device ID for MediaTek MT7925 (13d3:3631)

Add the USB ID 13d3:3631 for the MediaTek MT7925 Bluetooth module
found on AzureWave / Mercusys MA37BE PCIe Wi-Fi 7 cards.

T:  Bus=01 Lev=02 Prnt=04 Port=03 Cnt=03 Dev#=  7 Spd=480  MxCh= 0
D:  Ver= 2.10 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs=  1
P:  Vendor=13d3 ProdID=3631 Rev= 1.00
S:  Manufacturer=MediaTek Inc.
S:  Product=Wireless_Device

Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
Signed-off-by: Samuel Alhovuori <samuel.alhovuori@pm.me>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>