staging: vt6656: Remove duplicate code in vnt_vt3184_init function

Remove duplicate code in "if" statements because different branches are
almost the same.

Signed-off-by: Oscar Carter <oscar.carter@gmx.com>
Link: https://lore.kernel.org/r/20200411125104.9625-2-oscar.carter@gmx.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>