staging: unisys: update MAINTAINERS and TODO

This patch adds the Unisys s-Par driver maintainers to the MAINTAINERS
file, changes the state to "Supported", modifies TODO to address patches
to the Unisys mailing list, and adds Greg Kroah-Hartman to the patch
recipients list.

Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/unisys/TODO b/drivers/staging/unisys/TODO
index c4265a2..034ac61 100644
--- a/drivers/staging/unisys/TODO
+++ b/drivers/staging/unisys/TODO
@@ -16,5 +16,6 @@
 		
 
 Patches to:
+	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 	Ken Cox <jkc@redhat.com>
-	Ben Romer <sparmaintainer@unisys.com>
+	Unisys s-Par maintainer mailing list <sparmaintainer@unisys.com>