Change in coreboot[master]: herobrine: Assert gpio for USB_HUB_LDO_EN

[Shelley Chen (Code Review)]

Attention is currently required from: Ravi kumar.
Shelley Chen has uploaded a new patch set (#53) to the change originally created by Ravi kumar. ( https://review.coreboot.org/c/coreboot/+/55378 )

Change subject: herobrine: Assert gpio for USB_HUB_LDO_EN
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herobrine: Assert gpio for USB_HUB_LDO_EN

Some herobrine variants have USB hub powered by discrete LDO that is
controlled by USB_HUB_LDO_EN gpio. Assert the GPIO on boot.

BUG=b:182963902
TEST=Validated on qualcomm sc7280 development board.

Signed-off-by: Sandeep Maheswaram 
Change-Id: Ia94e046f9eb0d3ce593f3445e0203a7391c14de2
---
M src/mainboard/google/herobrine/board.h
M src/mainboard/google/herobrine/mainboard.c
2 files changed, 9 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/78/55378/53