staging: vt6656: correct return of vnt_init_registers.

The driver standard error returns remove bool false conditions.

Cc: stable <stable@vger.kernel.org> # v5.3+
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Link: https://lore.kernel.org/r/072ec0b3-425f-277e-130c-1e3a116c90d6@gmail.com


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