Banon: add a fixed period delay after setting the pullup

This is a workaround to avoid getting wp status at wrong timing.

BUG=b:111363386
BRANCH=firmware-strago-7287.B
TEST=Compiled and used crossystem to read wpsw_boot.

Change-Id: I013064b32447e257ddf34e4abb7cccaf7aac4cea
Signed-off-by: David Wu <David_Wu@quantatw.com>
Reviewed-on: https://chromium-review.googlesource.com/1136169
Tested-by: David Wu <david_wu@quantatw.com>
Tested-by: TH Lin <t.h_lin@quanta.corp-partner.google.com>
Tested-by: David Wu <david_wu@quanta.corp-partner.google.com>
Commit-Queue: David Wu <david_wu@quanta.corp-partner.google.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2 files changed