Add TSC2301 touchscreen & keypad controller.

Add also a facility for setting up touchscreen calibration data per-board
based on calibration data generated by tslib.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4214 c046a42c-6fe2-441c-8c8c-71466251a162
4 files changed