smb1351: Fix parallel ICL configuration

In slave configuration "POWER_SUPPLY_PROP_CURRENT_MAX" fails to
suspend USB input path for 0/2mA current request. Fix this by
separately handling 0/2mA request to suspend input.

CRs-Fixed: 2148379
Change-Id: Id9b7887c4f2f924d9e4c8484947d74baa96eb8a3
Signed-off-by: Ashay Jaiswal <ashayj@codeaurora.org>