libata: update "Maintained by:" tags

Jeff moved on to a greener pasture.

 s/Maintained by: Jeff Garzik/Maintained by: Tejun Heo/g

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Jeff Garzik <jgarzik@pobox.com>
diff --git a/drivers/ata/sata_sil.c b/drivers/ata/sata_sil.c
index a7b3167..0ae3ca4 100644
--- a/drivers/ata/sata_sil.c
+++ b/drivers/ata/sata_sil.c
@@ -1,7 +1,7 @@
 /*
  *  sata_sil.c - Silicon Image SATA
  *
- *  Maintained by:  Jeff Garzik <jgarzik@pobox.com>
+ *  Maintained by:  Tejun Heo <tj@kernel.org>
  *  		    Please ALWAYS copy linux-ide@vger.kernel.org
  *		    on emails.
  *