drm: fb-helper: Convert logging to drm_* functions.

Change logging information from dev_info() to drm_info().
Signed-off-by: Suraj Upadhyay <usuraj35@gmail.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/0d37c7a614eb0885f0f0bed18e48a4d26b345a8e.1594136880.git.usuraj35@gmail.com

drivers/gpu/drm/drm_fb_helper.c

@@ -1784,7 +1784,7 @@ __drm_fb_helper_initial_config_and_unlock(struct drm_fb_helper *fb_helper,
 	if (ret < 0)
 		return ret;
 
-	dev_info(dev->dev, "fb%d: %s frame buffer device\n",
+	drm_info(dev, "fb%d: %s frame buffer device\n",
 		 info->node, info->fix.id);
 
 	mutex_lock(&kernel_fb_helper_lock);