Convert SEC drivers to new frontend API Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net> Acked-by: Michael Krufky <mkrufky@linuxtv.org> Acked-by: Trent Piepho <xyzzy@speakeasy.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>