V4L/DVB (13885): zr364xx: fix support for Aiptek DV T300

Added a new initialization method for Aiptek DV T300.
Addresses http://bugzilla.kernel.org/show_bug.cgi?id=13708



Tested-by: Hámorszky Balázs <balihb@gmail.com>
Signed-off-by: Antoine Jacquet <royale@zerezo.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>