powerpc/perf: Pass the struct perf_events down to compute_mmcr()

To support per-event exclude settings on Power8 we need access to the
struct perf_events in compute_mmcr().

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

diff --cc arch/powerpc/include/asm/perf_event_server.h
Simple merge

diff --cc arch/powerpc/perf/core-book3s.c
Simple merge

diff --cc arch/powerpc/perf/mpc7450-pmu.c
Simple merge

diff --cc arch/powerpc/perf/power4-pmu.c
Simple merge

diff --cc arch/powerpc/perf/power5+-pmu.c
Simple merge

diff --cc arch/powerpc/perf/power5-pmu.c
Simple merge

diff --cc arch/powerpc/perf/power6-pmu.c
Simple merge

diff --cc arch/powerpc/perf/power7-pmu.c
Simple merge

diff --cc arch/powerpc/perf/power8-pmu.c
Simple merge

diff --cc arch/powerpc/perf/ppc970-pmu.c
Simple merge