perf record: Fix comment misspellings

Fix comment misspellings

Signed-off-by: Howard Chu <[e-mail]>
Cc: Adrian Hunter <[e-mail]>
Cc: Alexander Shishkin <[e-mail]>
Cc: Ian Rogers <[e-mail]>
Cc: Ingo Molnar <[e-mail]>
Cc: Jiri Olsa <[e-mail]>
Cc: Kan Liang <[e-mail]>
Cc: Mark Rutland <[e-mail]>
Cc: Namhyung Kim <[e-mail]>
Cc: Peter Zijlstra <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Arnaldo Carvalho de Melo <[e-mail]>

tools/lib/perf/mmap.c

···
 	if (!refcount_read(&map->refcnt))
 		return NULL;
 
-	/* non-overwirte doesn't pause the ringbuffer */
+	/* non-overwrite doesn't pause the ringbuffer */
 	if (!map->overwrite)
 		map->end = perf_mmap__read_head(map);
 

tools/perf/builtin-record.c

···
 	} else {
 		/*
 		 * aio write request may require restart with the
-		 * reminder if the kernel didn't write whole
+		 * remainder if the kernel didn't write whole
 		 * chunk at once.
 		 */
 		rem_off = cblock->aio_offset + written;
···
 	 *
 	 * Coping can be done in two steps in case the chunk of profiling data
 	 * crosses the upper bound of the kernel buffer. In this case we first move
-	 * part of data from map->start till the upper bound and then the reminder
+	 * part of data from map->start till the upper bound and then the remainder
 	 * from the beginning of the kernel buffer till the end of the data chunk.
 	 */