staging: vt6656: use vnt_vt3184_agc array directly

vnt_vt3184_agc is always the same regardless of rf type
so use the array directly removing from stack buffer.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Link: https://lore.kernel.org/r/4b455ee4-7ac7-e1ff-4a10-2d99f2e30714@gmail.com


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