staging: vt6655: Rename MACvWriteBSSIDAddress

Fix name of a macro that uses CamelCase which is not
accepted by checkpatch.pl

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/1190d93181409679f9ae348a95ea269b48b1115c.1656835310.git.philipp.g.hortmann@gmail.com


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