Bluetooth: btrtl: Add support for RTL8822C with USB interface

This device is included in the RTL8822CU combination wifi and BT part,
as well as the BT part of the RTL8822CE.
The necessary firmware has been submitted to the linux-firmware
project.
Signed-off-by: Alex Lu <alex_lu@realsil.com.cn>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

drivers/bluetooth/btrtl.c

@@ -138,6 +138,13 @@ static const struct id_table ic_id_table[] = {
 	  .fw_name  = "rtl_bt/rtl8761a_fw.bin",
 	  .cfg_name = "rtl_bt/rtl8761a_config" },
 
+	/* 8822C with USB interface */
+	{ IC_INFO(RTL_ROM_LMP_8822B, 0xc),
+	  .config_needed = false,
+	  .has_rom_version = true,
+	  .fw_name  = "rtl_bt/rtl8822cu_fw.bin",
+	  .cfg_name = "rtl_bt/rtl8822cu_config" },
+
 	/* 8822B */
 	{ IC_INFO(RTL_ROM_LMP_8822B, 0xb),
 	  .config_needed = true,
@@ -228,6 +235,7 @@ static int rtlbt_parse_firmware(struct hci_dev *hdev,
 		{ RTL_ROM_LMP_8822B, 8 },
 		{ RTL_ROM_LMP_8723B, 9 },	/* 8723D */
 		{ RTL_ROM_LMP_8821A, 10 },	/* 8821C */
+		{ RTL_ROM_LMP_8822B, 13 },	/* 8822C */
 	};
 
 	min_size = sizeof(struct rtl_epatch_header) + sizeof(extension_sig) + 3;