V4L/DVB (10919): tlv320aic23b: use v4l2-i2c-drv.h instead of drv-legacy.h

This driver isn't used in any legacy mode, so no need for v4l2-i2c-drv-legacy.h.

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