Calibration acquires a default resolution of 1280x1024 when running
xinput_calibrator_pointercal.sh, obtain correct screen resolution by
using xrandr to grab user-specified geometry and pass to script
(From OE-Core rev: ce6f15dc3905ab0b061b20cc35fd179fdd9e070f)
Signed-off-by: Jonathan David <jonathan.david@ni.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>