haswell: No need pre-graphics delay when in normal mode or resume from S3

When resume in normal mode, we won't use vgabios.bin. So no need this delay.
It can shorten the resume time ~300 ms to meet the criteria: resume < 1 second.

Per Stefan, the delay should not be enabled for resume from S3, only for
cold boot and only when in dev/recovery mode.

BUG=chrome-os-partner:30639
BRANCH=tricky
TEST=build & test_that IP f:.*power_Resume/control to check if
seconds_system_resume time < 1

Change-Id: I82e06dd351638a829667bee4ee4f34fb0354e1b1
Reviewed-on: https://chromium-review.googlesource.com/245667
Tested-by: Steven Jian <steven.jian@intel.com>
Commit-Queue: Steven Jian <steven.jian@intel.com>
Reviewed-by: Shawn N <shawnn@chromium.org>
1 file changed