drm/sun4i: Add if statement instead of depends on

The depends on relationship is obvious, and using an if statement will
propagate it to every option without the need for each and every one of
them to define it.

Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
This commit is contained in:
Maxime Ripard 2017-07-13 11:54:00 +02:00
commit f4c08112ad