dvbinfo: add descriptor 0x7c
dvbinfo: add descriptor 0x7c

avble/libdvbpsi,mkrufky/libdvbpsi,mwgoldsmith/dvbpsi,paraeco/libdvbpsi,krieger-od/libdvbpsi,garbear/libdvbpsi,mwgoldsmith/dvbpsi,avble/libdvbpsi,vlc-mirror/libdvbpsi,mkrufky/libdvbpsi,avble/libdvbpsi,garbear/libdvbpsi,mwgoldsmith/dvbpsi,UIKit0/libdvbpsi,hiroshiyui/libdvbpsi,paraeco/libdvbpsi,mkrufky/libdvbpsi,krieger-od/libdvbpsi,paraeco/libdvbpsi,hiroshiyui/libdvbpsi,garbear/libdvbpsi,UIKit0/libdvbpsi,mwgoldsmith/dvbpsi,vlc-mirror/libdvbpsi,krieger-od/libdvbpsi,vlc-mirror/libdvbpsi,hiroshiyui/libdvbpsi,paraeco/libdvbpsi,UIKit0/libdvbpsi