This change moves soc_fill_power_state and soc_prev_sleep_state to
pmutil.c. It allows the functions to be used across romstage and smm.
BUG=b:124131938
BRANCH=none
TEST=none
Change-Id: If24c3feeb77f4fb692ef0bf38d537b2b54de3c36
Signed-off-by: V Sowmya <v.sowmya@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/31787
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>