Some constellations work/need a serial TS transport mode. This adds a flag
that will toggle set up of such mode.
Signed-off-by: NDaniel Scheller <d.scheller@gmx.net>
Acked-by: NAbylay Ospan <aospan@netup.ru>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>