[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_serverworks.c b/drivers/ata/pata_serverworks.c
index 1e8f421..2c0bc3b 100644
--- a/drivers/ata/pata_serverworks.c
+++ b/drivers/ata/pata_serverworks.c
@@ -478,28 +478,28 @@
 	static const struct ata_port_info info[4] = {
 		{ /* OSB4 */
 			.sht = &serverworks_sht,
-			.flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
+			.flags = ATA_FLAG_SLAVE_POSS,
 			.pio_mask = 0x1f,
 			.mwdma_mask = 0x07,
 			.udma_mask = 0x07,
 			.port_ops = &serverworks_osb4_port_ops
 		}, { /* OSB4 no UDMA */
 			.sht = &serverworks_sht,
-			.flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
+			.flags = ATA_FLAG_SLAVE_POSS,
 			.pio_mask = 0x1f,
 			.mwdma_mask = 0x07,
 			.udma_mask = 0x00,
 			.port_ops = &serverworks_osb4_port_ops
 		}, { /* CSB5 */
 			.sht = &serverworks_sht,
-			.flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
+			.flags = ATA_FLAG_SLAVE_POSS,
 			.pio_mask = 0x1f,
 			.mwdma_mask = 0x07,
 			.udma_mask = 0x1f,
 			.port_ops = &serverworks_csb_port_ops
 		}, { /* CSB5 - later revisions*/
 			.sht = &serverworks_sht,
-			.flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
+			.flags = ATA_FLAG_SLAVE_POSS,
 			.pio_mask = 0x1f,
 			.mwdma_mask = 0x07,
 			.udma_mask = 0x3f,