The patches for Hexagon support are in the eigen repo so
the patch can now be removed.

Signed-off-by: Mark Charlebois <charlebm@gmail.com>

Signed-off-by: Mark Charlebois <charlebm@gmail.com>

The link needed --start-group and --end-group for clang on Linux
for posix builds.

Signed-off-by: Mark Charlebois <charlebm@gmail.com>

Fixed PRI64 to PRId64 in generate_listener.py

Signed-off-by: Mark Charlebois <charlebm@gmail.com>