Change in coreboot[master]: mb/google/volteer/variant/lindar: Rollback CPU slow slew rate setting

[Derek Huang (Code Review)]

Attention is currently required from: Kevin Chang, Tim Wawrzynczak, YH Lin, Zhuohao Lee.
Derek Huang has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/52620 )

Change subject: mb/google/volteer/variant/lindar: Rollback CPU slow slew rate setting
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Patch Set 1:

(2 comments)

File src/mainboard/google/volteer/variants/lindar/overridetree.cb:

https://review.coreboot.org/c/coreboot/+/52620/comment/c1c52b34_c5e60bdf 
PS1, Line 62: 	register "AcousticNoiseMitigation" = "1"
"AcousticNoiseMitigation" = "0"

https://review.coreboot.org/c/coreboot/+/52620/comment/df35e04b_0830abba 
PS1, Line 64: 	register "FastPkgCRampDisable" = "1"
"FastPkgCRampDisable" = "0"