Bluetooth: qca: add support for WCN7850

[ Upstream commit e0c1278a ]

Add support for the WCN7850 Bluetooth chipset.

Tested on the SM8550 QRD platform.

Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Stable-dep-of: 7dcd3e01 ("Bluetooth: hci_qca: Set BDA quirk bit if fwnode exists in DT")
Signed-off-by: Sasha Levin <sashal@kernel.org>