treewide: Fix typo in printks

Correct spelling typos in printk and comments.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-events.c
index c5636f3..63986f9 100644
--- a/tools/perf/tests/parse-events.c
+++ b/tools/perf/tests/parse-events.c
@@ -1321,7 +1321,7 @@
 
 	ret = stat(path, &st);
 	if (ret) {
-		pr_debug("ommiting PMU cpu events tests\n");
+		pr_debug("omitting PMU cpu events tests\n");
 		return 0;
 	}