rtw88: 8821ce: add support for device ID 0xb821

New device ID 0xb821 found on TP-Link T2E
Tested it with c821 driver. 2.4GHz and 5GHz works.

PCI id:
05:00.0 Network controller: Realtek Semiconductor Co., Ltd. Device b821
        Subsystem: Realtek Semiconductor Co., Ltd. Device b821
Signed-off-by: Jimmy Hon <honyuenkwun@gmail.com>
Reviewed-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220407075123.420696-2-honyuenkwun@gmail.com

drivers/net/wireless/realtek/rtw88/rtw8821ce.c

@@ -8,6 +8,10 @@
 #include "rtw8821ce.h"
 
 static const struct pci_device_id rtw_8821ce_id_table[] = {
+	{
+		PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0xB821),
+		.driver_data = (kernel_ulong_t)&rtw8821c_hw_spec
+	},
 	{
 		PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0xC821),
 		.driver_data = (kernel_ulong_t)&rtw8821c_hw_spec