MAINTAINERS: add arch/powerpc/platforms/85xx/ to the 85xx entry

Cc: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/MAINTAINERS b/MAINTAINERS
index b5ea4d0..2cc0e1f 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3904,6 +3904,7 @@
 L:	linuxppc-dev@lists.ozlabs.org
 S:	Maintained
 F:	arch/powerpc/platforms/83xx/
+F:	arch/powerpc/platforms/85xx/
 
 LINUX FOR POWERPC PA SEMI PWRFICIENT
 M:	Olof Johansson <olof@lixom.net>