tty/serial: remove CONFIG_EXPERIMENTAL dependencies

As discussed at the kernel summit this year, CONFIG_EXPERIMENTAL means
nothing, so let's get rid of it.

Cc: Kees Cook <keescook@chromium.org>
Cc: Alan Cox <alan@linux.intel.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/tty/Kconfig b/drivers/tty/Kconfig
index 830cd62..b46c430 100644
--- a/drivers/tty/Kconfig
+++ b/drivers/tty/Kconfig
@@ -214,8 +214,8 @@
 	  If you haven't heard about it, it's safe to say N.
 
 config CYZ_INTR
-	bool "Cyclades-Z interrupt mode operation (EXPERIMENTAL)"
-	depends on EXPERIMENTAL && CYCLADES
+	bool "Cyclades-Z interrupt mode operation"
+	depends on CYCLADES
 	help
 	  The Cyclades-Z family of multiport cards allows 2 (two) driver op
 	  modes: polling and interrupt. In polling mode, the driver will check
@@ -285,7 +285,7 @@
 
 config NOZOMI
 	tristate "HSDPA Broadband Wireless Data Card - Globe Trotter"
-	depends on PCI && EXPERIMENTAL
+	depends on PCI
 	help
 	  If you have a HSDPA driver Broadband Wireless Data Card -
 	  Globe Trotter PCMCIA card, say Y here.
@@ -294,7 +294,7 @@
 	  will be called nozomi.
 
 config ISI
-	tristate "Multi-Tech multiport card support (EXPERIMENTAL)"
+	tristate "Multi-Tech multiport card support"
 	depends on SERIAL_NONSTANDARD && PCI
 	select FW_LOADER
 	help
@@ -316,8 +316,7 @@
 	  here.
 
 config N_GSM
-	tristate "GSM MUX line discipline support (EXPERIMENTAL)"
-	depends on EXPERIMENTAL
+	tristate "GSM MUX line discipline support"
 	depends on NET
 	help
 	  This line discipline provides support for the GSM MUX protocol and