staging: vt6655: Rename macro MACvSelectPage1

Rename MACvSelectPage1 macro to VT6655_MAC_SELECT_PAGE1 to avoid
CamelCase which is not accepted by checkpatch.pl and to clean up
namespace. Remove unnecessary line break.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/8aa03e089613d49be7acedcb60a19a0133e96baa.1661666677.git.philipp.g.hortmann@gmail.com


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