Revert "mb/google/reef: Override USB2 phy settings"

This reverts commit 70ba1b7e78930acca578114cdadcbcec367730e8.

This commit can only pass far-end USB eye diagram but will fail on near-end.
Confirmed with Intel we should revert it.

Change-Id: I6de44d5240393409d9ec5835a9de0c23453300f7
Signed-off-by: Tim Chen <tim-chen@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/25630
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
1 file changed