drm/sun4i: backend: Drop trailing 0 from backend in error message

Now that we support multiple instances of backends, the trailing 0
implying only one backend no longer makes sense.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
This commit is contained in:
Chen-Yu Tsai 2017-04-21 16:38:51 +08:00 • committed by Maxime Ripard
commit fdde6e7bcd