various: Fix spelling of "asynchronous" in comments.

"Asynchronous" is misspelled in some comments. No code changes.

Signed-off-by: Adam Buchbinder <adam.buchbinder@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c
index 834e71d..961e439 100644
--- a/drivers/firewire/ohci.c
+++ b/drivers/firewire/ohci.c
@@ -1281,7 +1281,7 @@
 	d[0].res_count = cpu_to_le16(packet->timestamp);
 
 	/*
-	 * The DMA format for asyncronous link packets is different
+	 * The DMA format for asynchronous link packets is different
 	 * from the IEEE1394 layout, so shift the fields around
 	 * accordingly.
 	 */