[XS] Change in coreboot[main]: mb/google/nissa/var/riven: Configure Acoustic noise mitigation

[David Wu (Code Review)]

Attention is currently required from: David Wu, Dinesh Gehlot, Eric Lai, Jayvik Desai, Kapil Porwal, Nick Vaccaro, Subrata Banik.

Hello Dinesh Gehlot, Eric Lai, Jayvik Desai, Kapil Porwal, Nick Vaccaro, Subrata Banik, build bot (Jenkins),

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

https://review.coreboot.org/c/coreboot/+/84908?usp=email

to look at the new patch set (#3).

Change subject: mb/google/nissa/var/riven: Configure Acoustic noise mitigation
......................................................................

mb/google/nissa/var/riven: Configure Acoustic noise mitigation

- Enable Acoustic noise mitigation
- Set slow slew rate VCCIA and VCCGT to SLEW_FAST_4
- Set FastPkgCRampDisable VCCIA and VCCGT to 1

BUG=b:376165743
TEST=built firmware and verified by power team,
     the acoustic noise can be improved a lot.

Change-Id: Ia71985ef21d634763fc5ae22e4f611f7f5e9652a
Signed-off-by: David Wu 
---
M src/mainboard/google/brya/variants/riven/overridetree.cb
1 file changed, 7 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/08/84908/3