telephony: Move to staging

This stuff is really old and in quite poor shape.
Does anyone still use it?

If not, I think it's appropriate to let it simmer
in staging for a few releases.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index 21e2f4b..aaba36c 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -132,4 +132,6 @@
 
 source "drivers/staging/android/Kconfig"
 
+source "drivers/staging/telephony/Kconfig"
+
 endif # STAGING