Fix sdbus++-gen-meson version warning

WARNING: Generated meson files from wrong version of
sdbus++-gen-meson.
WARNING: Expected "sdbus++-gen-meson version 1",
got: sdbus++-gen-meson version 3

Add the regenerate-meson file to automatically update meson.build.

Signed-off-by: George Liu <liuxiwei@inspur.com>
Change-Id: If1ce533bc0f6bafbe75d05595f9d36f5f652bd45
5 files changed