powerpc/ps3: Update platform maintainer

Update the PS3 entries in the MAINTAINERS file.
Signed-off-by: Geoff Levand <geoff@infradead.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

MAINTAINERS

@@ -4482,17 +4482,17 @@ S:	Maintained
 F:	drivers/ata/sata_promise.*
 
 PS3 NETWORK SUPPORT
-M:	Geoff Levand <geoffrey.levand@am.sony.com>
+M:	Geoff Levand <geoff@infradead.org>
 L:	netdev@vger.kernel.org
 L:	cbe-oss-dev@ozlabs.org
-S:	Supported
+S:	Maintained
 F:	drivers/net/ps3_gelic_net.*
 
 PS3 PLATFORM SUPPORT
-M:	Geoff Levand <geoffrey.levand@am.sony.com>
+M:	Geoff Levand <geoff@infradead.org>
 L:	linuxppc-dev@ozlabs.org
 L:	cbe-oss-dev@ozlabs.org
-S:	Supported
+S:	Maintained
 F:	arch/powerpc/boot/ps3*
 F:	arch/powerpc/include/asm/lv1call.h
 F:	arch/powerpc/include/asm/ps3*.h