isdn/capi: Make Middleware depend on CAPI2.0

The Kconfig symbol ISDN_CAPI_MIDDLEWARE is only used in capi.c. Setting
it without setting ISDN_CAPI_CAPI20 is therefor useless. Make it depend
on ISDN_CAPI_CAPI20 and put its entry after ISDN_CAPI_CAPI20's entry.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/isdn/capi/Kconfig

@@ -16,9 +16,17 @@ config CAPI_TRACE
 	  This will increase the size of the kernelcapi module by 20 KB.
 	  If unsure, say Y.
 
+config ISDN_CAPI_CAPI20
+	tristate "CAPI2.0 /dev/capi support"
+	help
+	  This option will provide the CAPI 2.0 interface to userspace
+	  applications via /dev/capi20. Applications should use the
+	  standardized libcapi20 to access this functionality.  You should say
+	  Y/M here.
+
 config ISDN_CAPI_MIDDLEWARE
 	bool "CAPI2.0 Middleware support"
-	depends on TTY
+	depends on ISDN_CAPI_CAPI20 && TTY
 	help
 	  This option will enhance the capabilities of the /dev/capi20
 	  interface.  It will provide a means of moving a data connection,
@@ -26,14 +34,6 @@ config ISDN_CAPI_MIDDLEWARE
 	  device.  If you want to use pppd with pppdcapiplugin to dial up to
 	  your ISP, say Y here.
 
-config ISDN_CAPI_CAPI20
-	tristate "CAPI2.0 /dev/capi support"
-	help
-	  This option will provide the CAPI 2.0 interface to userspace
-	  applications via /dev/capi20. Applications should use the
-	  standardized libcapi20 to access this functionality.  You should say
-	  Y/M here.
-
 config ISDN_CAPI_CAPIDRV
 	tristate "CAPI2.0 capidrv interface support"
 	depends on ISDN_I4L