MAINTAINERS: lower maintenance level of super I/O and superiotool

I don't really get around to review super I/O or superiotool patches any
more, so lower the maintenance level of those. If anyone else wants to
step up as new maintainer for those two, feel free to do so.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Id7bd3c68c1adc0db82dab078291918742b453d4c
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63417
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
diff --git a/MAINTAINERS b/MAINTAINERS
index 930d37e..3181ef3 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -880,7 +880,7 @@
 
 SUPERIOS & SUPERIOTOOL
 M:	Felix Held <felix-coreboot@felixheld.de>
-S:	Maintained
+S:	Odd Fixes
 F:	src/superio/
 F:	util/superiotool/