Enable Acoustic noise mitigation for magolor and set slew rate to 1/8
which is calibrated value for the board.
BUG=b:178678267
BRANCH=dedede
TEST=build firmware to UPD and Acoustic noise test
Signed-off-by: Ren Kuo <ren.kuo@quanta.corp-partner.google.com>
Change-Id: Idea2a801399bb5c7e0b8e59ee7a826c86a44f4ea
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50099
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>