perf pmu-events AMD: Switch l2_itlb_misses to bp_l1_tlb_miss_l2_tlb_miss.all

l2_itlb_misses is a valid legacy cache event name, hence allowing it
in all_events in metric.py. l2_itlb_misses was also a json event for
AMD zen1, zen2 and zen3.

For zen4, zen5 and zen6 the checking that metric events are within the
json was skipping l2_itlb_misses as it is a valid legacy event, however,
the PMU driver lacks the event mapping causing it to be a bad event when
used in the metric.

Add bp_l1_tlb_miss_l2_tlb_miss.all as the l2 itlb miss event (bp =
branch predictor, the AMD way to say itlb), so that is used in
preference to l2_itlb_misses when the event exists.

Remove l2_itlb_misses from metric.py as the legacy event isn't used by
any metrics and having it is error prone for newer AMD zen models.

Fixes: e596f329668ec2b5 ("perf jevents: Add itlb metric group for AMD")
Reviewed-by: Sandipan Das <sandipan.das@amd.com>
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@linaro.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

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