board: 8064: improve touch accuracy

Touch accuracy is offset on MTP devices.  When the user
touches, the point is recorded as down and to the left
of where it should be.  This can be corrected by
modifying boardfile offsets.

CRs-fixed: 423833
Change-Id: Ida31a01dce5741e6cae103401e06f81968e897a3
Signed-off-by: Amy Maloche <amaloche@codeaurora.org>