[media] solo6x10: Kconfig: Add supported card list to the SOLO6X10 knob

Explicitly list the cards supported by and tested with this driver.
Signed-off-by: NIsmael Luceno <ismael.luceno@corp.bluecherry.net>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <m.chehab@samsung.com>

drivers/staging/media/solo6x10/Kconfig

 config SOLO6X10
-	tristate "Softlogic 6x10 MPEG codec cards"
+	tristate "Bluecherry / Softlogic 6x10 capture cards (MPEG-4/H.264)"
 	depends on PCI && VIDEO_DEV && SND && I2C
 	select FONT_SUPPORT
 	select FONT_8x16
@@ -8,5 +8,11 @@ config SOLO6X10
 	select SND_PCM
 	select FONT_8x16
 	---help---
-	  This driver supports the Softlogic based MPEG-4 and h.264 codec
-	  cards.
+	  This driver supports the Bluecherry H.264 and MPEG-4 hardware
+	  compression capture cards and other Softlogic-based ones.
+
+	  Following cards have been tested:
+	  * Bluecherry BC-H16480A (PCIe, 16 port, H.264)
+	  * Bluecherry BC-H04120A (PCIe, 4 port, H.264)
+	  * Bluecherry BC-H04120A-MPCI (Mini-PCI, 4 port, H.264)
+	  * Bluecherry BC-04120A (PCIe, 4 port, MPEG-4)