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

[Tim Wawrzynczak (Code Review)]

Attention is currently required from: YH Lin, Paul Menzel, Zhuohao Lee, Raihow Shi, Felix Held.
Tim Wawrzynczak has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/63544 )

Change subject: mb/google/brask/variants/moli: add delay time to rtd3-cold
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Patch Set 6: Code-Review+2

(1 comment)

Commit Message:

https://review.coreboot.org/c/coreboot/+/63544/comment/47fdcb5a_5f39774b 
PS1, Line 9: which will turn
           : off the eMMC controller (a true D3cold state) during the RTD3 sequence.
> The reason is both primus and moli use BH799BB, so I follow this CL: https://review.coreboot. […]

The reason is that the rise and fall times of each signal may differ by board, and so those board-specific delays must be taken into account when power sequencing.