Some new TSC drivers advertise themselves by using
ABS_MT_POSITION_* bits instead of ABS_*.
This change supports TSC drivers, using
ABS_MT_POSITION_* and/or ABS_* bits.
Change-Id: I1134c0b25cef3d777896ca225b9214929e909d93
Signed-off-by: Baruch Eruchimovitch <baruche@codeaurora.org>