fpc1140: add the finger capture init sequence

Allow to configure the sensor to detect autonomously finger touch event
similar to what is done in the suspend() routine of the kernel fpc1020
driver.

Signed-off-by: Vincent Palatin <vpalatin@chromium.org>

BRANCH=none
BUG=b:35648259
TEST=make BOARD=eve_fp

Change-Id: I8b78bd6bdeecd8658850383417c950d9025fdf40
Reviewed-on: https://chromium-review.googlesource.com/491072
Commit-Ready: Vincent Palatin <vpalatin@chromium.org>
Tested-by: Vincent Palatin <vpalatin@chromium.org>
Reviewed-by: Todd Broch <tbroch@chromium.org>
1 file changed