soc: qcom: msm_perf: Add support for multi_cycle entry/exit nodes

Add support for multi_enter_cycles/multi_exit_cycles per cluster

There are some usecases which may benefit from different enter/exit
cycle load criteria for multimode cpu load. This change adds support for
that.

Change-Id: I3408405307ca03b9bba3f03e216ef59b98f29832
Signed-off-by: Tapas Kumar Kundu <tkundu@codeaurora.org>