power: qpnp-fg-gen4: Update msoc on every FVSS soc update

There is possibility of a momentary SOC jump after we
exit the FVSS loop. Fix this by updating the msoc
on every FVSS soc update to make sure the soc value in
hardware tracks the FVSS scaled value.

Change-Id: I7a5638551615cc0d6da7171b05ffb2496cac4381
Signed-off-by: Rakesh Kota <quic_kotarake@quicinc.com>