input: touchscreen: clean ITE tech driver probe function

Clean ITE tech driver probe function with proper error paths,
call sequence, and return values to release the resources
properly.
Also, release the resource in driver's remove function.

This is propagation gerrit for 8909w bring up.

Change-Id: Ia81bb3da7e0b880de6f2ed95d346b533104ed3fc
Signed-off-by: Shantanu Jain <shjain@codeaurora.org>