input: touchscreen: Remove irq polling from Goodix driver

Remove irq polling from Goodix driver.

This patch is propagated from msm-3.10 kernel.
(commit: 3e97d139f82e6101fdc27cfcd58fc0c694d13c11
input: touchscreen: Remove irq polling from Goodix driver)
Also cleared the checkpatch warnings on msm-3.18 kernel.

CRs-fixed: 579853
Change-Id: I0a9037eac6e30a6319919043dd2ef1c226663af9
Signed-off-by: Shantanu Jain <shjain@codeaurora.org>
Signed-off-by: Sudhakar Manapati <smanap@codeaurora.org>