[PATCH] MAINTAINERS: add myself as Continuous Integration maintainer

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

I have contributed all the ARM tests to gitlab-ci. After checking with
Doug, I am happy to volunteer to co-maintain Continuous Integration.

Signed-off-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
Acked-by: Doug Goldstein <cardoe@xxxxxxxxxx>

diff --git a/MAINTAINERS b/MAINTAINERS
index 6a097b43eb..cc87d5bbf1 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -262,6 +262,7 @@ F:  CHANGELOG.md
 
 Continuous Integration (CI)
 M:     Doug Goldstein <cardoe@xxxxxxxxxx>
+M:     Stefano Stabellini <sstabellini@xxxxxxxxxx>
 W:     https://gitlab.com/xen-project/xen
 W:     https://travis-ci.org/xen-project/xen
 S:     Supported