Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/drivers/scsi/fnic/fnic_scsi.c b/drivers/scsi/fnic/fnic_scsi.c
index 22d0240..538b31c 100644
--- a/drivers/scsi/fnic/fnic_scsi.c
+++ b/drivers/scsi/fnic/fnic_scsi.c
@@ -1123,7 +1123,7 @@
 					    fc_lun.scsi_lun, io_req)) {
 			/*
 			 * Revert the cmd state back to old state, if
-			 * it hasnt changed in between. This cmd will get
+			 * it hasn't changed in between. This cmd will get
 			 * aborted later by scsi_eh, or cleaned up during
 			 * lun reset
 			 */
@@ -1208,7 +1208,7 @@
 					    fc_lun.scsi_lun, io_req)) {
 			/*
 			 * Revert the cmd state back to old state, if
-			 * it hasnt changed in between. This cmd will get
+			 * it hasn't changed in between. This cmd will get
 			 * aborted later by scsi_eh, or cleaned up during
 			 * lun reset
 			 */