New in 3.12, EVIOCREVOKE revokes access to an evdev device. This is unlikely
to be used by a libevdev user, see.
http://lists.freedesktop.org/archives/input-tools/2014-January/000688.html
This patch adds a new test-kernel binary that tests the kernel API directly.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
