perf vendor events arm64 AmpereOneX: Fix typo - should be l1d_cache_access_prefetches

perf vendor events arm64 AmpereOneX: Fix typo - should be l1d_cache_access_prefetches

Add missing 'h' to l1d_cache_access_prefetces

Also fix a couple of typos and use consistent term in brief descriptions

Fixes: 16438b652b464ef7 ("perf vendor events arm64 AmpereOneX: Add core PMU events and metrics")
Reviewed-by: James Clark <james.clark@linaro.org>
Signed-off-by: Ilkka Koskinen <ilkka@os.amperecomputing.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ilkka Koskinen <ilkka@os.amperecomputing.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.g.garry@oracle.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linux.dev>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>