staging: vt6656: Split arguments to avoid 80-char violation in rf.c

Wrap arguments of call to vnt_control_out() to avoid exceeding 80
character limit, but maintain alignment.

Signed-off-by: Daniel Cashman <dan.a.cashman@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>