mb/google/brya/var/volmar: Disable PCH USB2 phy power gating
The patch disables PCH USB2 Phy power gating to prevent possible display
flicker issue for kano board. Please refer Intel doc#723158 for
more information.
BUG=None
TEST=Verify the build for volmar board
Signed-off-by: Ren Kuo <ren.kuo@quanta.corp-partner.google.com>
Change-Id: I4d12f7214a306ded54b4536a27fe0fb7f3c33b8b
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65307
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>