support/graph-depends: also cut on host-tar

When host-tar is needed, it is a mandatory dependency of all packages.
As such, drawing the dependency lines toward host-tar would uselessly
clutter the graph.

So, like for the skeleton and host-skeleton, we cut the dependency chains
toward host-tar.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

support/scripts/graph-depends

@@ -172,7 +172,7 @@ def remove_transitive_deps(pkg, deps):
 
 # List of dependencies that all/many packages have, and that we want
 # to trim when generating the dependency graph.
-MANDATORY_DEPS = ['toolchain', 'skeleton', 'host-skeleton']
+MANDATORY_DEPS = ['toolchain', 'skeleton', 'host-skeleton', 'host-tar']
 
 
 # This function removes the dependency on some 'mandatory' package, like the