[libata] sata_promise: fix flags typo

A stray comma makes all the difference.  Change to '|' as these flags
should be or'd together.
Signed-off-by: Jeff Garzik <jeff@garzik.org>

drivers/ata/sata_promise.c

@@ -297,7 +297,7 @@ static const struct ata_port_info pdc_port_info[] = {
 
 	/* board_2057x_pata */
 	{
-		.flags		= PDC_COMMON_FLAGS | ATA_FLAG_SLAVE_POSS,
+		.flags		= PDC_COMMON_FLAGS | ATA_FLAG_SLAVE_POSS |
 				  PDC_FLAG_GEN_II,
 		.pio_mask	= 0x1f, /* pio0-4 */
 		.mwdma_mask	= 0x07, /* mwdma0-2 */