Set the supported C-State to C1 and C6. This matches the states in
CPUID(5).
Change-Id: If32b8256097b5b2bee7fb074fab105e4b54d14b3
Signed-off-by: Marc Jones <marcjones@sysproconsulting.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49803
Reviewed-by: Jonathan Zhang <jonzhang@fb.com>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>