tty: Mark unconverted drivers as BROKEN

Nobody seems to use these drivers anyway so if they want them they can
fix them up. I don't have the needed info to add break_ctl support to them.
Send patches if you don't like it.
Signed-off-by: NAlan Cox <alan@redhat.com>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

drivers/char/Kconfig

@@ -167,7 +167,7 @@ config CYZ_INTR
 
 config DIGIEPCA
 	tristate "Digiboard Intelligent Async Support"
-	depends on SERIAL_NONSTANDARD && (ISA || EISA || PCI)
+	depends on SERIAL_NONSTANDARD && (ISA || EISA || PCI) && BROKEN
 	---help---
 	  This is a driver for Digi International's Xx, Xeve, and Xem series
 	  of cards which provide multiple serial ports. You would need
@@ -275,7 +275,7 @@ config N_HDLC
 
 config RISCOM8
 	tristate "SDL RISCom/8 card support"
-	depends on SERIAL_NONSTANDARD
+	depends on SERIAL_NONSTANDARD && BROKEN
 	help
 	  This is a driver for the SDL Communications RISCom/8 multiport card,
 	  which gives you many serial ports. You would need something like
@@ -288,7 +288,7 @@ config RISCOM8
 
 config SPECIALIX
 	tristate "Specialix IO8+ card support"
-	depends on SERIAL_NONSTANDARD
+	depends on SERIAL_NONSTANDARD && BROKEN
 	help
 	  This is a driver for the Specialix IO8+ multiport card (both the
 	  ISA and the PCI version) which gives you many serial ports. You