drivers: input: Remove nt36523 firmware_update unnecessary delays

* Change delay from 14000 to 100ms before loading fw, as
  usually ts driver is probed when it is already load fw.

[zhaoyuenan: migrate nt36523 touchscreen change]
Signed-off-by: Luka Panio <lukapanio@gmail.com>
Change-Id: Icf138949c0df3ed071e1e244dd2f65768e88f823