Samsung: add support for high touch sensitivity

Change-Id: Ie37e114d82dc0b578b2cb395cefb0bf0c112f9d7
Add README

Change-Id: I341b821e5295334404d8fa690a61f17c00e14a6e
This is not the work of CM

Change-Id: Ifaf4a3d94cb422c0ef54a776c27e3cd6ef4b39e4