MAINTAINERS: Downgrade target-mips and target-sh4 to Odd Fixes

Patches are not being handled, so let's downgrade to Odd Fixes.
Signed-off-by: NAndreas Färber <afaerber@suse.de>
Acked-by: NAurélien Jarno <aurelien@aurel32.net>

MAINTAINERS

@@ -88,7 +88,7 @@ F: target-microblaze/
 
 MIPS
 M: Aurelien Jarno <aurelien@aurel32.net>
-S: Maintained
+S: Odd Fixes
 F: target-mips/
 
 PowerPC
@@ -104,7 +104,7 @@ F: target-s390x/
 
 SH4
 M: Aurelien Jarno <aurelien@aurel32.net>
-S: Maintained
+S: Odd Fixes
 F: target-sh4/
 
 SPARC