drivers: fuel_gauge: Add support for RSOC and ASOC

Current driver only allows state-of-charge.  Adding relative-state-
of-charge and absolute-state-of-charge to differentiate between the
different types.  Updated sbs and max drivers to support new enum.
Discussed in issue #57523

Signed-off-by: Peter Rowley <perowle@microsoft.com>
7 files changed