rtlwifi: v88.2 firmware files for RTL8192CU

The vendor driver rtl8188C_8192C_usb_linux_v4.0.1_6911.20130308 includes
new firmware files. These were extracted from data statements in that
driver to form these files.

Before this update, with version 80 of the firmware, the USB interface
of the RTL8192CU WLAN controller often locked itself up:
 usb 1-2: device descriptor read/64, error -110
 usb 1-2: device not accepting address 4, error -110
 usb 1-2: device not accepting address 5, error -110
 usb usb1-port2: unable to enumerate USB device
 usb 2-2: device descriptor read/64, error -110
 usb 2-2: device descriptor read/64, error -110

On ARMv5 based GARDENA smart gateways running Linux 4.19.78, this can
be reliably reproduced by rebooting (warm) the gateway multiple times
(max. 50 attempts needed).
Unlike users having this issues on a USB Wi-Fi dongle, resetting of the
chip by replugging is not an option on this gateway due to the lack of
any power cut functionality. Therefore, a (cold) reboot of the whol...

WHENCE

@@ -2883,6 +2883,12 @@ File: rtlwifi/rtl8192cufw.bin
 File: rtlwifi/rtl8192cufw_A.bin
 File: rtlwifi/rtl8192cufw_B.bin
 File: rtlwifi/rtl8192cufw_TMSC.bin
+Info: From Vendor's rtl8188C_8192C_usb_linux_v4.0.1_6911.20130308 driver
+      All files extracted from driver/hal/rtl8192c/usb/Hal8192CUHWImg.c
+      Relevant variables (CONFIG_BT_COEXISTENCE not set):
+        - rtlwifi/rtl8192cufw_A.bin: Rtl8192CUFwUMCACutImgArray
+        - rtlwifi/rtl8192cufw_B.bin: Rtl8192CUFwUMCBCutImgArray
+        - rtlwifi/rtl8192cufw_TMSC.bin: Rtl8192CUFwTSMCImgArray
 
 Licence: Redistributable. See LICENCE.rtlwifi_firmware.txt for details.