[libata] PATA drivers: remove ATA_FLAG_SRST

This flag only has meaning in old-EH drivers, and these drivers have
already been converted to the new EH.  Remove.

Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/ata/pata_cmd64x.c b/drivers/ata/pata_cmd64x.c
index 320a5b1..dc443e7 100644
--- a/drivers/ata/pata_cmd64x.c
+++ b/drivers/ata/pata_cmd64x.c
@@ -380,21 +380,21 @@
 	static const struct ata_port_info cmd_info[6] = {
 		{	/* CMD 643 - no UDMA */
 			.sht = &cmd64x_sht,
-			.flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
+			.flags = ATA_FLAG_SLAVE_POSS,
 			.pio_mask = 0x1f,
 			.mwdma_mask = 0x07,
 			.port_ops = &cmd64x_port_ops
 		},
 		{	/* CMD 646 with broken UDMA */
 			.sht = &cmd64x_sht,
-			.flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
+			.flags = ATA_FLAG_SLAVE_POSS,
 			.pio_mask = 0x1f,
 			.mwdma_mask = 0x07,
 			.port_ops = &cmd64x_port_ops
 		},
 		{	/* CMD 646 with working UDMA */
 			.sht = &cmd64x_sht,
-			.flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
+			.flags = ATA_FLAG_SLAVE_POSS,
 			.pio_mask = 0x1f,
 			.mwdma_mask = 0x07,
 			.udma_mask = ATA_UDMA1,
@@ -402,14 +402,14 @@
 		},
 		{	/* CMD 646 rev 1  */
 			.sht = &cmd64x_sht,
-			.flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
+			.flags = ATA_FLAG_SLAVE_POSS,
 			.pio_mask = 0x1f,
 			.mwdma_mask = 0x07,
 			.port_ops = &cmd646r1_port_ops
 		},
 		{	/* CMD 648 */
 			.sht = &cmd64x_sht,
-			.flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
+			.flags = ATA_FLAG_SLAVE_POSS,
 			.pio_mask = 0x1f,
 			.mwdma_mask = 0x07,
 			.udma_mask = ATA_UDMA2,
@@ -417,7 +417,7 @@
 		},
 		{	/* CMD 649 */
 			.sht = &cmd64x_sht,
-			.flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
+			.flags = ATA_FLAG_SLAVE_POSS,
 			.pio_mask = 0x1f,
 			.mwdma_mask = 0x07,
 			.udma_mask = ATA_UDMA3,