No drivers used this, so it got unexported, and now it's so unused it
got culled during the link. Take the poor function out behind the shed
and put it out of its misery.
Signed-off-by: Daniel Stone <daniel@fooishbar.org>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Keith Packard <keithp@keithp.com>