[V4L-DVB] Add support for vendor specific DiSEqC switch "MAXIMUM DiSEqC 4/1 switch"

[Hans Petter Selasky]

Minor bug:
> #
> # Full sequence for LNB-A
> #
> LNB.A 11700 V  9750 tF W45 v W15 W45 F W45 v W15 W45 t
> LNB.A 99999 V 10600 tF W45 v W15 W45 F W45 v W15 W45 T
> LNB.A 11700 H  9750 tF W45 V W15 W45 F W45 V W15 W45 t
> LNB.A 99999 H 10600 tF W45 V W15 W45 F W45 V W15 W45 T

Should be "t F " instead of "tF ".

--HPS