Add gst-shark as dependency.

Change-Id: Ie2d41c2a237160e0440f2ace6b5ef8bcba36f2f0
diff --git a/debian/control b/debian/control
index 3c0fa5e..c91ebba 100644
--- a/debian/control
+++ b/debian/control
@@ -21,6 +21,7 @@
          trustzone,
          usbutils,
          device-tree-compiler,
+         gst-shark,
          ${misc:Depends}
 Architecture: any
 Description: Metapackage for core Mendel packages for excelsior