drivers: serial: jsm: Enable support for Digi Classic adapters

This commit enables support for the Digi Classic adapters line in the
jsm driver. This means changes in:
	- device probing code
	- device cleanup code
	- driver description (Kconfig)

The init/cleanup code is based on the staging/dgnc driver.

Signed-off-by: Konrad Zapalowicz <bergo.torino@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index 7088373..e71a28b 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -1029,11 +1029,11 @@
 	  a console on a serial port, say Y.  Otherwise, say N.
 
 config SERIAL_JSM
-	tristate "Digi International NEO PCI Support"
+	tristate "Digi International NEO and Classic PCI Support"
 	depends on PCI
 	select SERIAL_CORE
 	help
-	  This is a driver for Digi International's Neo series
+	  This is a driver for Digi International's Neo and Classic series
 	  of cards which provide multiple serial ports. You would need
 	  something like this to connect more than two modems to your Linux
 	  box, for instance in order to become a dial-in server. This driver