baytrail: implement baytrail technical advisory 556192

This is the implementation of TA 556192
It's for errata USB Device May Not be Detected at System
Power-On
Please see more details in TA 556192

BUG=none
BRANCH=firmware-rambi-5216.B
TEST=boot ok on rambi. need more validation on it

Change-Id: I55dd6807a026b9d0d6595f65384bb0e7c9cad20c
Signed-off-by: Kane Chen <kane.chen@intel.com>
Reviewed-on: https://chromium-review.googlesource.com/503907
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
(cherry picked from commit d62befca0b224e5463689f7cec31ce7994e1078d)
Reviewed-on: https://chromium-review.googlesource.com/651822
Reviewed-by: YH Lin <yueherngl@chromium.org>
4 files changed