power: smb5-lib: Update ICL vote on float charger detection

Currently, if float charger is treated as a DCP charger, then the
ICL vote is updated accordingly. However, that is not the case if
float charger is treated as SDP. Add the logic to update ICL vote
for both the cases.

Change-Id: I192b73f7b6f70f557c2646acddb25b0ab09e5fbc
Signed-off-by: Umang Agrawal <uagrawal@codeaurora.org>