[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_netcell.c b/drivers/ata/pata_netcell.c
index 81f5634..b7c8b13 100644
--- a/drivers/ata/pata_netcell.c
+++ b/drivers/ata/pata_netcell.c
@@ -94,7 +94,7 @@
 	static int printed_version;
 	static const struct ata_port_info info = {
 		.sht		= &netcell_sht,
-		.flags		= ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
+		.flags		= ATA_FLAG_SLAVE_POSS,
 		/* Actually we don't really care about these as the
 		   firmware deals with it */
 		.pio_mask	= 0x1f,	/* pio0-4 */