Fix misspelling of "should" and "shouldn't" in comments.

Some comments misspell "should" or "shouldn't"; this fixes them. No code changes.

Signed-off-by: Adam Buchbinder <adam.buchbinder@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 6728328..698ef47 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -2232,7 +2232,7 @@
 		 * Some drives were very specific about that exact sequence.
 		 *
 		 * Note that ATA4 says lba is mandatory so the second check
-		 * shoud never trigger.
+		 * should never trigger.
 		 */
 		if (ata_id_major_version(id) < 4 || !ata_id_has_lba(id)) {
 			err_mask = ata_dev_init_params(dev, id[3], id[6]);