input: touchscreen: raydium_wt030: add driver to build system

Make Kconfig and makefile changes for including this driver.
Fix critical checkpatch errors and other style issues.

Change-Id: I431ec76a12a15e373b18b01e8de3a3d25c8d6dd5
Signed-off-by: Venkata Prahlad Valluru <vvalluru@codeaurora.org>