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/MAINTAINERS b/MAINTAINERS
index c3ff623..405c4c9 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -9031,6 +9031,13 @@
 F:	include/linux/cdrom.h
 F:	include/uapi/linux/cdrom.h
 
+UNISYS S-PAR DRIVERS
+M:     Benjamin Romer <benjamin.romer@unisys.com>
+M:     David Kershner <david.kershner@unisys.com>
+L:     sparmaintainer@unisys.com (Unisys internal)
+S:     Supported
+F:     drivers/staging/unisys/
+
 UNIVERSAL FLASH STORAGE HOST CONTROLLER DRIVER
 M:	Vinayak Holikatti <vinholikatti@gmail.com>
 M:	Santosh Y <santoshsy@gmail.com>