msmperf: per cluster node for curr cap and top-app

Adding support for current capacity and current top
app load with cluster wise support.This data will be
utilised in user space for performace tuning on games.

Change-Id: I052e7ae2e58ebe57bff3bfeb0fc321da2cad1b3e
Signed-off-by: Aman Mehta <amanmeht@codeaurora.org>