MAINTAINERS: Add Felix as superio maintainer

Change-Id: Ib53f591e5c8b03cd45b3fbd3db36ea2c28e4e060
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/19951
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
diff --git a/MAINTAINERS b/MAINTAINERS
index 70439e1..32c72f6 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -491,6 +491,12 @@
 F:	.git*
 F:	/util/gitconfig
 
+SUPERIOS & SUPERIOTOOL
+M:	Felix Held <felix-coreboot@felixheld.de>
+S:	Maintained
+F:	src/superio/
+F:	util/superiotool/
+
 MISSING: TIMERS / DELAYS
 
 MISSING: TIMESTAMPS
@@ -503,8 +509,6 @@
 
 MISSING: SMP
 
-MISSING: SUPERIOS
-
 MISSING: DMP / QEMU-X86
 
 MISSING: ELOG