input: touchscreen: Clean initialising linux kernel code

Use designated initializer code in gt9xx_update.c and
goodix_tool.c Goodix drivers.

CRs-fixed: 554746

This patch is propagated from msm-3.10 kernel.
(commit: cea5bca5a1e69020aada1a82fa4cfd5db448c812
input: touchscreen: Clean initialising linux kernel code)

Change-Id: Idc5b45c09813486c926ce52b2d41e81df526219b
Signed-off-by: Shantanu Jain <shjain@codeaurora.org>