MAINTAINERS: Add PReP maintainer

Officially take on maintainership for PReP and upgrade to Odd Fixes.

Acked-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Andreas Färber <andreas.faerber@web.de>
Cc: Alexander Graf <agraf@suse.de>
Cc: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

MAINTAINERS

diff --git a/MAINTAINERS b/MAINTAINERS
index 4535eeb..bccdd4f 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -303,9 +303,9 @@
 S: Maintained
 F: hw/ppc_oldworld.c
 
-Prep
-M: qemu-devel@nongnu.org
-S: Orphan
+PReP
+M: Andreas Färber <andreas.faerber@web.de>
+S: Odd Fixes
 F: hw/ppc_prep.c
 
 SH4 Machines