Introduce the CM_ARM_LPI_INFO CmObj in the ArmNameSpaceObjects. This allows to describe LPI state information, as described in ACPI 6.4, s8.4.4.3 "_LPI (Low Power Idle States)". Reviewed-by: Sami Mujawar <sami.mujawar@arm.com> Signed-off-by: Pierre Gondois <Pierre.Gondois@arm.com>