mb/google/arcada: Add settings for noise mitgation

Enable acoustic noise mitgation for arcada platform,
the slow slew rates for Ia and Gt are fast time dived by 8.

BUG=b:131144464
TEST=waveform test and hardware validation result pass.

Signed-off-by: nathan chen <nathan_chen@wistron.corp-partner.google.com>
Change-Id: I395b2fc527705ab207325cfd7147e6af5f300fce
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32521
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Lijian Zhao <lijian.zhao@intel.com>

0 files changed, 0 insertions, 0 deletions