V4L/DVB (3605): Add support for I2C_HW_B_CX2341X board adapter

- Add missing class check to tveeprom_attach_adapter.
- Add CX2341X specific IR probe address list.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>