Change in coreboot[master]: mb/google/brask/variants/moli: add delay time to rtd3-cold

[Raihow Shi (Code Review)]

Attention is currently required from: YH Lin, Paul Menzel, Zhuohao Lee, Raihow Shi, Felix Held.
Hello build bot (Jenkins), YH Lin, Tim Wawrzynczak, Zhuohao Lee, Felix Held,

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

https://review.coreboot.org/c/coreboot/+/63544

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

Change subject: mb/google/brask/variants/moli: add delay time to rtd3-cold
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mb/google/brask/variants/moli: add delay time to rtd3-cold

This CL adds the delay time 50 ms and 20 ms into the RTD3 sequence,
which will turn off the eMMC controller (a true D3cold state)
during the RTD3 sequence.
We checked power on sequence requires enable pin prior to reset pin,
so added delay to meet the sequence.
Based on BH799BB_Preliminary_DS_R079_20201124.pdf in chapter 7.2.

BUG=b:228907551
TEST=emerge-brask coreboot.

Signed-off-by: Raihow Shi 
Change-Id: Idecb1c89655c9b8b720c3c65efc77e06e6a8b300
---
M src/mainboard/google/brya/variants/moli/overridetree.cb
1 file changed, 2 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/44/63544/7