sata_inic162x: update intro comment, up the version and drop EXPERIMENTAL

sata_inic162x is now ready for production use.  Bump the version,
explain what's working and what's not and drop EXPERIMENTAL.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index 1a59f30..9bf2986 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -205,8 +205,8 @@
 	  If unsure, say N.
 
 config SATA_INIC162X
-	tristate "Initio 162x SATA support (HIGHLY EXPERIMENTAL)"
-	depends on PCI && EXPERIMENTAL
+	tristate "Initio 162x SATA support"
+	depends on PCI
 	help
 	  This option enables support for Initio 162x Serial ATA.