mISDN: Add driver for Winbond cards

Add driver for Winbond W6692 based PCI cards.

Signed-off-by: Karsten Keil <keil@b1-systems.de>
diff --git a/drivers/isdn/hardware/mISDN/Kconfig b/drivers/isdn/hardware/mISDN/Kconfig
index 2600534..d72586e 100644
--- a/drivers/isdn/hardware/mISDN/Kconfig
+++ b/drivers/isdn/hardware/mISDN/Kconfig
@@ -65,6 +65,13 @@
 	  Enable support for cards with ISAC + HSCX, IPAC or IPAC-SX
 	  chip from Infineon (former manufacturer Siemens).
 
+config MISDN_W6692
+	tristate "Support for cards with Winbond 6692"
+	depends on MISDN
+	depends on PCI
+	help
+	  Enable support for Winbond 6692 PCI chip based cards.
+
 
 config MISDN_IPAC
 	tristate