input: touchscreen: fix compilation errors for Goodix driver

Fix compilation errors for Goodix touch driver for msm-3.18
kernel after porting the driver. This includes replacing the
deprecated api(s) with proper ones and changing code for
proper compilation.

Change-Id: I2abd67a8ff647165ddedb385e80f8705d73d3100
Signed-off-by: Shantanu Jain <shjain@codeaurora.org>