input: touchscreen: Add himax touchscreen support

This new driver is for Himax's touch IC hx83112A.
And it is for qrd640 and other latest projects.

Change-Id: I8d18b020c280ff67fcb1911e48d0f8da6297eba2
Signed-off-by: chenx <chenxiang0527@thundersoft.com>
Git-commit: 58062446fbe1db2fd8af883d32a46be6b5b3076e
Git-Repo: https://source.codeaurora.org/external/thundersoft/ihvjointlab/sensor-driver/log/?h=Himax_ctp_hx83112


Signed-off-by: Fei Mao <feim1@codeaurora.org>