qcom: add support for kryo CPU PMU

The performance Monitor Unit on the kryo processor
has additional performance events over the architected
events in ARM processors. This adds support for these
additional events.

Change-Id: I90356b7d2cfebd9d985ec6f92c6d000be9911a7c
Signed-off-by: Neil Leeder <nleeder@codeaurora.org>