arm: mx6: novena: Minor config file fix

arm: mx6: novena: Minor config file fix

Sequence like the following is completely useless and results from
an errorneous ordering of the statements during development. Zap it.
 #ifdef FOO
 #define FOO

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Igor Grinberg <grinberg@compulab.co.il>
Cc: Nikita Kiryanov <nikita@compulab.co.il>
Cc: Sean Cross <xobs@kosagi.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Tim Harvey <tharvey@gateworks.com>