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/bnx2fc/bnx2fc_tgt.c b/drivers/scsi/bnx2fc/bnx2fc_tgt.c
index 7cc05e4..a2e3830 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_tgt.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_tgt.c
@@ -395,7 +395,7 @@
 		rp = rport->dd_data;
 		if (rport->port_id == FC_FID_DIR_SERV) {
 			/*
-			 * bnx2fc_rport structure doesnt exist for
+			 * bnx2fc_rport structure doesn't exist for
 			 * directory server.
 			 * We should not come here, as lport will
 			 * take care of fabric login