Bluetooth: HID: Add Bus type for specific HID Keyboard

Add Bluetooth bus type for product id = 0x05ac and vendor
id = 0x0220, so that it can be handled by specific vendor
driver to parse specific key events which cannot be handled
by generic USB HID driver(s) of kernel.

CRs-Fixed: 1072093
Change-Id: I68b585db1b350c7ffd8ea662cab550aaa7a0727d
Signed-off-by: Hemant Gupta <hemantg@codeaurora.org>