power: smblite-lib: Enable non-standard ICL configuration for SDP

Allow HC mode configuration of ICL for SDP for non-standard
current settings This is required for flash/torch
operations where ICL is tweaked based on flash/torch status.

Change-Id: I8dffe3a2fc9b5c9c89722a38a78a96f29f90196a
Signed-off-by: Kavya Nunna <knunna@codeaurora.org>