The generated objects in `libmm-glib` are include in
`libmm_glib_dep` one by one to avoid the link to the generated
library that is included as a whole in `libmm-glib`.
meson includes a way to include partial objects of a dependency by
using the `partial_dependency` method, so by taking advantage of it
almost all objects are included.
meson is a build system focused on speed an ease of use, which
helps speeding up the software development. This patch adds meson
support along autotools.