mtd/ps3vram: Add ps3vram driver for accessing video RAM as MTD

Add ps3vram driver, which exposes unused video RAM on the PS3 as a MTD
device suitable for storage or swap.  Fast data transfer is achieved
using a local cache in system RAM and DMA transfers via the GPU.

Signed-off-by: Vivien Chappelier <vivien.chappelier@free.fr>
Signed-off-by: Jim Paris <jim@jtan.com>
Acked-by: Geoff Levand <geoffrey.levand@am.sony.com>
Acked-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/MAINTAINERS b/MAINTAINERS
index a018844..246878f 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3484,6 +3484,12 @@
 L:	cbe-oss-dev@ozlabs.org
 S:	Supported
 
+PS3VRAM DRIVER
+P:	Jim Paris
+M:	jim@jtan.com
+L:	cbe-oss-dev@ozlabs.org
+S:	Maintained
+
 PVRUSB2 VIDEO4LINUX DRIVER
 P:	Mike Isely
 M:	isely@pobox.com