[libata] sata_promise: add PCI ID

Noticed by Steve Brown <sbrown25@gmail.com>

Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c
index d636ede..1eb0d63 100644
--- a/drivers/ata/sata_promise.c
+++ b/drivers/ata/sata_promise.c
@@ -260,6 +260,7 @@
 #if 0
 	{ PCI_VDEVICE(PROMISE, 0x3570), board_20771 },
 #endif
+	{ PCI_VDEVICE(PROMISE, 0x3577), board_20771 },
 
 	{ }	/* terminate list */
 };