build: add sdbus++-gen-meson generated files

Use the tool to generate the meson.build files for the current
tree of interfaces, but do not utilize them yet. Add a
small helper tool

build: add sdbus++-gen-meson generated files

Use the tool to generate the meson.build files for the current
tree of interfaces, but do not utilize them yet. Add a
small helper tool to regenerate as needed.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: Ie1f68984e5b01dcab661863d2ac719d0e3cd45c1

show more ...