build: generate weston-ivi.ini for tests

The ivi-shell / hmi-controller cannot run without a properly populated
config file. Generate a config file especially for tests, which includes
paths to the build dirs.

The generated file will be used by following patches adding ivi-shell
tests.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
Reviewed-by: Derek Foreman <derekf@osg.samsung.com>
3 files changed