Sheng-Liang Pan uploaded patch set #2 to this change.

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mb/google/octopus/variants/bobba: Disable XHCI LFPS power management

LTE module will lost after idle overnight, with this work around,
host will not initiate U3 wakeup at the same time with device,
which will avoid the race condition.

Disable XHCI LFPS power management.
If the option is set in the devicetree, the bits[7:4] in
XHCI MMIO BAR + offset 0x80A4 (PMCTRL_REG) will be updated
from default 9 to 0.

BUG=b:146768983
BRANCH=None
TEST=build coreboot with DisableXhciLfpsPM being set to 1 and flash
     the image to the device. Run following command to check if
     bits[7:4] is set 0:
     >iotools mmio_read32 "XHCI MMIO BAR + 0x80A4"

Signed-off-by: Pan Sheng-Liang <sheng-liang.pan@quanta.corp-partner.google.com>
Change-Id: Ib8e5ae79e097debf0c75ead232ddbb2baced2a2a
---
M src/mainboard/google/octopus/variants/bobba/overridetree.cb
M src/mainboard/google/octopus/variants/bobba/variant.c
2 files changed, 28 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/03/40303/2

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