Add basic pointer emulation
Add basic pointer emulation

This tests the pointer emulation based on the accelerometer data from the Wii
Remote. The emulation is quite bad and only used for testing purposes. We need
some better algorithms to get smooth pointer movement and better calibration.

Signed-off-by: David Herrmann <fb53b2ddb8d141e0cb39d7c67c2f81b6bc2eb0f7@googlemail.com>

dnschneid/xf86-input-xwiimote,dnschneid/xf86-input-xwiimote,dvdhrm/xf86-input-xwiimote,dvdhrm/xf86-input-xwiimote