staging: fix the build breakage cuased by telephony drivers
Fix build error caused by commit:
6222d7a17745f6e48fddda7245e4bb0d58bfeaf0
telephony: Move to staging
The telephony driver was moved to staging but the Makefiles
weren't updated
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>