drm/zte: Use drm_gem_fb_create()

drm_fb_cma_create() is just a wrapper around drm_gem_fb_create() now,
so use the function directly.

Cc: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/1502631125-13557-22-git-send-email-noralf@tronnes.org

drivers/gpu/drm/zte/zx_drm_drv.c

@@ -22,6 +22,7 @@
 #include <drm/drm_fb_cma_helper.h>
 #include <drm/drm_fb_helper.h>
 #include <drm/drm_gem_cma_helper.h>
+#include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_of.h>
 #include <drm/drmP.h>
 
@@ -40,7 +41,7 @@ static void zx_drm_fb_output_poll_changed(struct drm_device *drm)
 }
 
 static const struct drm_mode_config_funcs zx_drm_mode_config_funcs = {
-	.fb_create = drm_fb_cma_create,
+	.fb_create = drm_gem_fb_create,
 	.output_poll_changed = zx_drm_fb_output_poll_changed,
 	.atomic_check = drm_atomic_helper_check,
 	.atomic_commit = drm_atomic_helper_commit,