V4L/DVB (3764): Lgdt330x: update supported cards list in comments

- pcHDTV HD5500 ATSC/QAM uses LG DT3303
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/dvb/frontends/lgdt330x.c

@@ -29,6 +29,7 @@
  *   DViCO FusionHDTV 5 Lite
  *   DViCO FusionHDTV 5 USB Gold
  *   Air2PC/AirStar 2 ATSC 3rd generation (HD5000)
+ *   pcHDTV HD5500
  *
  * TODO:
  * signal strength always returns 0.