macintosh: fix string typo in mediabay.c

Fix typo "unsuported" to "unsupported" in
drivers/machintosh/mediabay.c

Signed-off-by: Masanari Iida<standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/macintosh/mediabay.c b/drivers/macintosh/mediabay.c
index 2fd435b..831d751 100644
--- a/drivers/macintosh/mediabay.c
+++ b/drivers/macintosh/mediabay.c
@@ -356,7 +356,7 @@
 	static char *mb_content_types[] = {
 		"a floppy drive",
 		"a floppy drive",
-		"an unsuported audio device",
+		"an unsupported audio device",
 		"an ATA device",
 		"an unsupported PCI device",
 		"an unknown device",