SaGv(system Agent Dynamic Frequency) have 4 settings
Disabled, Fixedlow, Fixedhigh, Enabled.
This patch add all 4 settings in enum definition and
used in devicetree.
BUG=None
Signed-off-by: Praveen hodagatta pranesh <praveenx.hodagatta.pranesh@intel.com>
Change-Id: I8f3b56f4d2bea1836373cc505ef5147144100b95
Reviewed-on: https://review.coreboot.org/c/30305
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>