V4L/DVB (3418): Cause tda9887 to use I2C_DRIVERID_TDA9887

- The tda9887 has an I2C id reserved for it, but it hasn't been using
it.  Probably an oversight.  Fixed with this patch.

Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>