media: admin-guide: add a card list for cx231xx boards

It is interesting to have a card list also for cx231xx
driver, as it currently supports 27 different boards.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

Documentation/admin-guide/media/cardlist.rst

@@ -9,6 +9,7 @@ Cards List
 	au0828-cardlist
 	bttv-cardlist
 	cx18-cardlist
+	cx231xx-cardlist
 	cx23885-cardlist
 	cx88-cardlist
 	em28xx-cardlist

Documentation/admin-guide/media/cx231xx-cardlist.rst

+.. SPDX-License-Identifier: GPL-2.0
+
+cx231xx cards list
+==================
+
+.. tabularcolumns:: |p{1.4cm}|p{10.0cm}|p{6.5cm}|
+
+.. flat-table::
+   :header-rows: 1
+   :widths: 2 12 19
+   :stub-columns: 0
+
+   * - Card number
+     - Card name
+     - USB IDs
+   * - 0
+     - Unknown CX231xx video grabber
+     - 0572:5A3C
+   * - 1
+     - Conexant Hybrid TV - CARRAERA
+     - 0572:58A2
+   * - 2
+     - Conexant Hybrid TV - SHELBY
+     - 0572:58A1
+   * - 3
+     - Conexant Hybrid TV - RDE253S
+     - 0572:58A4
+   * - 4
+     - Conexant Hybrid TV - RDU253S
+     - 0572:58A5
+   * - 5
+     - Conexant VIDEO GRABBER
+     - 0572:58A6, 07ca:c039
+   * - 6
+     - Conexant Hybrid TV - rde 250
+     - 0572:589E
+   * - 7
+     - Conexant Hybrid TV - RDU 250
+     - 0572:58A0
+   * - 8
+     - Hauppauge EXETER
+     - 2040:b120, 2040:b140
+   * - 9
+     - Hauppauge USB Live 2
+     - 2040:c200
+   * - 10
+     - Pixelview PlayTV USB Hybrid
+     - 4000:4001
+   * - 11
+     - Pixelview Xcapture USB
+     - 1D19:6109, 4000:4001
+   * - 12
+     - Kworld UB430 USB Hybrid
+     - 1b80:e424
+   * - 13
+     - Iconbit Analog Stick U100 FM
+     - 1f4d:0237
+   * - 14
+     - Hauppauge WinTV USB2 FM (PAL)
+     - 2040:b110
+   * - 15
+     - Hauppauge WinTV USB2 FM (NTSC)
+     - 2040:b111
+   * - 16
+     - Elgato Video Capture V2
+     - 0fd9:0037
+   * - 17
+     - Geniatech OTG102
+     - 1f4d:0102
+   * - 18
+     - Kworld UB445 USB Hybrid
+     - 1b80:e421
+   * - 19
+     - Hauppauge WinTV 930C-HD (1113xx) / HVR-900H (111xxx) / PCTV QuatroStick 521e
+     - 2040:b130, 2040:b138, 2013:0259
+   * - 20
+     - Hauppauge WinTV 930C-HD (1114xx) / HVR-901H (1114xx) / PCTV QuatroStick 522e
+     - 2040:b131, 2040:b139, 2013:025e
+   * - 21
+     - Hauppauge WinTV-HVR-955Q (111401)
+     - 2040:b123, 2040:b124
+   * - 22
+     - Terratec Grabby
+     - 1f4d:0102
+   * - 23
+     - Evromedia USB Full Hybrid Full HD
+     - 1b80:d3b2
+   * - 24
+     - Astrometa T2hybrid
+     - 15f4:0135
+   * - 25
+     - The Imaging Source DFG/USB2pro
+     - 199e:8002
+   * - 26
+     - Hauppauge WinTV-HVR-935C
+     - 2040:b151
+   * - 27
+     - Hauppauge WinTV-HVR-975
+     - 2040:b150