libata: remove ATA_FLAG_NO_LEGACY

All checks of ATA_FLAG_NO_LEGACY have been removed by the commits
c791c30670ea61f19eec390124128bf278e854fe ([libata] minor PCI IDE probe
fixes and cleanups) and f0d36efdc624beb3d9e29b9ab9e9537bf0f25d5b (libata:
update libata core layer to use devres), so I think it's time to finally
get rid of this flag...

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c
index 1ad7b94..06c564e 100644
--- a/drivers/ata/sata_sil24.c
+++ b/drivers/ata/sata_sil24.c
@@ -244,10 +244,9 @@
 	BID_SIL3131		= 2,
 
 	/* host flags */
-	SIL24_COMMON_FLAGS	= ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
-				  ATA_FLAG_PIO_DMA | ATA_FLAG_NCQ |
-				  ATA_FLAG_ACPI_SATA | ATA_FLAG_AN |
-				  ATA_FLAG_PMP,
+	SIL24_COMMON_FLAGS	= ATA_FLAG_SATA | ATA_FLAG_PIO_DMA |
+				  ATA_FLAG_NCQ | ATA_FLAG_ACPI_SATA |
+				  ATA_FLAG_AN | ATA_FLAG_PMP,
 	SIL24_FLAG_PCIX_IRQ_WOC	= (1 << 24), /* IRQ loss errata on PCI-X */
 
 	IRQ_STAT_4PORTS		= 0xf,