[S390] Kconfig: unwanted menus for s390.

Disable some more menus in the configuration files that are of no
interest to a s390 machine.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/net/ax25/Kconfig b/net/ax25/Kconfig
index 43dd86f..2a72aa9 100644
--- a/net/ax25/Kconfig
+++ b/net/ax25/Kconfig
@@ -3,7 +3,7 @@
 #
 
 menuconfig HAMRADIO
-	depends on NET
+	depends on NET && !S390
 	bool "Amateur Radio support"
 	help
 	  If you want to connect your Linux box to an amateur radio, answer Y