media-video/emovix: update maintauners and add upstream

Signed-off-by: Alexander Golubev <fatzer2@gmail.com>
(cherry picked from commit d6b81d57d5)

media-video/emovix/metadata.xml

@@ -1,5 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
-	<!-- maintainer-needed -->
+  <maintainer type="project">
+    <email>team-gentoo@trinitydesktop.org</email>
+    <name>Trinity Gentoo ebuilds project</name>
+  </maintainer>
+  <upstream>
+    <remote-id type="sourceforge">movix</remote-id>
+  </upstream>
 </pkgmetadata>