UPSTREAM: mb/google/reef/sand: Override USB2 phy settings

Sometimes the USB device is not detected. USB2 port#1 and #4 PHY register need
to be overridden.

port#1:
PERPORTPETXISET = 4
PERPORTTXISET = 4
IUSBTXEMPHASISEN= 1
PERPORTTXPEHALF= 0

port#4:
PERPORTPETXISET = 7
PERPORTTXISET = 7
IUSBTXEMPHASISEN= 1
PERPORTTXPEHALF= 0

BUG=b:72623892
BRANCH=master
TEST=emerge-sand coreboot chromeos-bootimage

Change-Id: Ib97e7ee1f104ba9ca2e2b1e88a9808c3185703fc
Signed-off-by: Martin Roth <[email protected]>
Original-Commit-Id: aef0d6b0a7ec867ee29acf9e1c695be27626f239
Original-Change-Id: I4051aefbec4583bb1f8babec08fdbeb27f749769
Original-Signed-off-by: Katherine Hsieh <[email protected]>
Original-Reviewed-on: https://review.coreboot.org/23879
Original-Reviewed-by: Paul Menzel <[email protected]>
Original-Reviewed-by: Aaron Durbin <[email protected]>
Original-Tested-by: build bot (Jenkins) <[email protected]>
Reviewed-on: https://chromium-review.googlesource.com/943591
1 file changed