Enable Acoustic noise mitigation for madoo and set slew rate to 1/8
which is calibrated value for the board. Other values like PreWake,
Rampup and RampDown are 0 by default.
BUG=b:173765599
BRANCH=dedede
TEST=Correct value is passed to UPD and Acoustic noise test passes.
Signed-off-by: Dtrain Hsu <dtrain_hsu@compal.corp-partner.google.com>
Change-Id: I968d8d43016e3569835b0a777335fa1d5c135f87
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48721
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
85adcdbff4