media: atomisp: gc0310: Remove enum gc0310_tok_type

enum gc0310_tok_type / the data_length read/write parameter
is always GC0310_8BIT, drop this.

Note for the register-lists the indentation is also fixed and
c++ style comments are converted to regular C-style /* */ comments.

Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>