DCM (dynamic clock management) can dynamically slow down or gate clocks
during CPU or bus idle. Enable DCM settings on the MT8186 platform.
TEST=build pass and check register ok
BUG=b:202871018
Signed-off-by: Edward-JW Yang <edward-jw.yang@mediatek.corp-partner.google.com>
Change-Id: I82add5ae629d59f7d6773e26ac9cba9d54ab8caf
Reviewed-on: https://review.coreboot.org/c/coreboot/+/59338
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
e3964c75d7