add IR support to KWorld DVB-T (cx22702-based)
Signed-off-by: NMarco Manenti <marco_manenti@colman.it>
Signed-off-by: NMichael Krufky <mkrufky@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>