misc: Add util-gem5art maintainer tag

Change-Id: I73bbb8cc511ec3008135d7fa0ac2fa1585b3b5ec
Signed-off-by: Jason Lowe-Power <jason@lowepower.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/43044
Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br>
Maintainer: Gabe Black <gabe.black@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
diff --git a/MAINTAINERS.yaml b/MAINTAINERS.yaml
index 068da7f..02084a9 100644
--- a/MAINTAINERS.yaml
+++ b/MAINTAINERS.yaml
@@ -303,6 +303,12 @@
   maintainers:
     - Gabe Black <gabe.black@gmail.com>
 
+util-gem5art:
+  status: maintained
+  maintainers:
+    - Bobby Bruce <bbruce@ucdavis.edu>
+    - Jason Lowe-Power <jason@lowepower.com>
+
 website:
   desc: >-
     The gem5-website repo which contains the gem5.org site