Change in coreboot[master]: mb/google/brya/var/primus{4es}: add eMMC enable pin in ramstage

[Casper Chang (Code Review)]

Attention is currently required from: Paul Menzel, Casper Chang.
Hello build bot (Jenkins), Tim Wawrzynczak,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/62703

to look at the new patch set (#7).

Change subject: mb/google/brya/var/primus{4es}: add eMMC enable pin in ramstage
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mb/google/brya/var/primus{4es}: add eMMC enable pin in ramstage

Currently the BayHub eMMC enable pin is using the default
configuration from the baseboard, which leads to RTD3 not being
able to control the GPIO when exiting and entering suspend. To fix
this, program the GPIO in the ramstage GPIO table.

BUG=b:222436260
TEST=USE="project_primus" emerge-brya coreboot chromeos-bootimage
     scope enable pin while performing suspend stress and enable pin
     works as expected.
     test suspend stress 1000 cycles passed on primus.

Signed-off-by: Casper Chang 
Change-Id: I1b6f164cc326bd368addb1e143ad2cbd449bb08d
---
M src/mainboard/google/brya/variants/primus/gpio.c
M src/mainboard/google/brya/variants/primus4es/gpio.c
2 files changed, 4 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/03/62703/7