perf/x86/intel/cstate: Add C-state residency events for Knights Landing

Although KNL does support C1,C6,PC2,PC3,PC6 states, the patch only
supports C6,PC2,PC3,PC6, because there is no counter for C1.

C6 residency counter MSR on KNL has a different address than other
platforms which is handled as a new quirk flag.

Signed-off-by: Lukasz Odzioba <[email protected]>
Acked-by: Peter Zijlstra <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Arnaldo Carvalho de Melo <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Rafael J. Wysocki <[email protected]>
Cc: Stephane Eranian <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Vince Weaver <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>

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