perf vendor events intel: Update IVT events to v21

Events are generated for Ivytown v21 with events from:

  https://download.01.org/perfmon/IVT/

Using the scripts at:

  https://github.com/intel/event-converter-for-linux-perf/

This change fixes a spelling mistake in a description.
Reviewed-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexandre Torgue <alexandre.torgue@foss.st.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.garry@huawei.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Link: https://lore.kernel.org/r/20220428075730.797727-3-irogers@google.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/pmu-events/arch/x86/ivytown/pipeline.json

@@ -676,7 +676,7 @@
         "UMask": "0x3"
     },
     {
-        "BriefDescription": "Number of occurences waiting for the checkpoints in Resource Allocation Table (RAT) to be recovered after Nuke due to all other cases except JEClear (e.g. whenever a ucode assist is needed like SSE exception, memory disambiguation, etc.)",
+        "BriefDescription": "Number of occurrences waiting for the checkpoints in Resource Allocation Table (RAT) to be recovered after Nuke due to all other cases except JEClear (e.g. whenever a ucode assist is needed like SSE exception, memory disambiguation, etc.)",
         "Counter": "0,1,2,3",
         "CounterHTOff": "0,1,2,3,4,5,6,7",
         "CounterMask": "1",
@@ -1269,4 +1269,4 @@
         "SampleAfterValue": "2000003",
         "UMask": "0x1"
     }
-]
\ No newline at end of file
+]