Merge pull request #415 from ojeda/maint

MAINTAINERS: we can claim `Supported` now

Author: ojeda

MAINTAINERS

@@ -15899,7 +15899,7 @@ M:	Miguel Ojeda <ojeda@kernel.org>
 M:	Alex Gaynor <alex.gaynor@gmail.com>
 M:	Wedson Almeida Filho <wedsonaf@google.com>
 L:	rust-for-linux@vger.kernel.org
-S:	Maintained
+S:	Supported
 W:	https://github.com/Rust-for-Linux/linux
 B:	https://github.com/Rust-for-Linux/linux/issues
 T:	git https://github.com/Rust-for-Linux/linux.git rust-next