[PROVISIONING] prepare main for filewriting as build time configuration

Signed-off-by: Jarko Poutiainen <Jarko.Poutiainen@oss.tieto.com>
[PROVISIONING] prepare decoder for filewriting as build time configuration

Signed-off-by: Jarko Poutiainen <Jarko.Poutiainen@oss.tieto.com>
[PROVISIONING] prepare decoder for filewriting as build time configuration

Signed-off-by: Jarko Poutiainen <Jarko.Poutiainen@oss.tieto.com>
[PROVISIONING] enable filewriting as commandline parameter

Signed-off-by: Jarko Poutiainen <Jarko.Poutiainen@oss.tieto.com>
[PROVISIONING] introduce spec file for filewriting

Signed-off-by: Jarko Poutiainen <Jarko.Poutiainen@oss.tieto.com>
[PROVISIONING] add missing return value

Signed-off-by: Jarko Poutiainen <Jarko.Poutiainen@oss.tieto.com>