mb/google/zork: Add USB2 phy tuning parameter for SI tuning

Add the USB2 phy tuning parameter to adjust the USB 2.0 PHY driving strength.

BUG=b:156315391
TEST=Build, verified the tuning value been applied on Trembyle.

Signed-off-by: Chris Wang <chris.wang@amd.corp-partner.google.com>
Change-Id: I3d31792d26729e0acb044282c5300886663dde51
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/coreboot/+/2208524
Reviewed-by: Raul E Rangel <rrangel@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-by: Matt Papageorge <matt.papageorge@amd.corp-partner.google.com>
Tested-by: Matt Papageorge <matt.papageorge@amd.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42996
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

0 files changed, 0 insertions, 0 deletions