ahci: fix engine reset failed message

There isn't much point in reporting -EOPNOTSUPP as failure.  Also the
message was missing newline.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

drivers/ata/ahci.c

@@ -1271,9 +1271,9 @@ static int ahci_do_softreset(struct ata_link *link, unsigned int *class,
 
 	/* prepare for SRST (AHCI-1.1 10.4.1) */
 	rc = ahci_kick_engine(ap, 1);
-	if (rc)
+	if (rc && rc != -EOPNOTSUPP)
 		ata_link_printk(link, KERN_WARNING,
-				"failed to reset engine (errno=%d)", rc);
+				"failed to reset engine (errno=%d)\n", rc);
 
 	ata_tf_init(link->device, &tf);