From: Jia-Wei Chang <jia-wei.chang@xxxxxxxxxxxx>
MT8186 svs has a number of banks which used as optimization of opp
voltage table for corresponding dvfs drivers.
MT8186 svs big core uses 2-line high bank and low bank to optimize the
voltage of opp table for higher and lower frequency respectively.
Signed-off-by: Jia-Wei Chang <jia-wei.chang@xxxxxxxxxxxx>