power: qpnp-smbcharger: Add logic to run parallel AICL

Add an optional property "qcom,use-parallel-aicl" to run slave AICL
to detect the total ICL could be allotted in parallel configuration.

CRs-Fixed: 1032013
Change-Id: I6f881cf73cb4eeaf007fe9d46cbe870fbd5443cf
Signed-off-by: Anirudh Ghayal <aghayal@codeaurora.org>
Signed-off-by: Fenglin Wu <fenglinw@codeaurora.org>