msm: lpm-levels: Add support for CCI auto hardware clock gating

CCI auto hardware clock gating is exercised independent of CCI
SPM. To support auto hardware clock gating, disable CCI SPM when
clock gating lpm level is chosen.

Change-Id: Iec20be34708c85161675c977153ef7198d926346
Signed-off-by: Karthik Parsha <kparsha@codeaurora.org>