perf tests attr: Fix spelling mistake "whic" to "which"

There is a spelling mistake, Please fix it.
Reviewed-by: Ian Rogers <irogers@google.com>
Signed-off-by: zhaimingbing <zhaimingbing@cmss.chinamobile.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: kernel-janitors@vger.kernel.org
Link: https://lore.kernel.org/r/20231030075825.3701-1-zhaimingbing@cmss.chinamobile.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/tests/attr.c

@@ -188,7 +188,7 @@ static int test__attr(struct test_suite *test __maybe_unused, int subtest __mayb
 	if (perf_pmus__num_core_pmus() > 1) {
 		/*
 		 * TODO: Attribute tests hard code the PMU type. If there are >1
-		 * core PMU then each PMU will have a different type whic
+		 * core PMU then each PMU will have a different type which
 		 * requires additional support.
 		 */
 		pr_debug("Skip test on hybrid systems");