drm/virtio: Remove multiple blank lines

This patch fixes the checkpatch.pl check:

virtgpu_drv.c:116: CHECK: Please don't use multiple blank lines
virtgpu_vq.c:599: CHECK: Please don't use multiple blank lines
virtgpu_prime.c:42: CHECK: Please don't use multiple blank lines
Signed-off-by: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com>
Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/c43a006f2ed93a16fe824b4a2686a2d5e2ef56f5.1519343668.git.rodrigosiqueiramelo@gmail.comSigned-off-by: Gerd Hoffmann <kraxel@redhat.com>

drivers/gpu/drm/virtio/virtgpu_drv.c

@@ -113,7 +113,6 @@ static const struct file_operations virtio_gpu_driver_fops = {
 	.llseek = noop_llseek,
 };
 
-
 static struct drm_driver driver = {
 	.driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME | DRIVER_RENDER | DRIVER_ATOMIC,
 	.load = virtio_gpu_driver_load,

drivers/gpu/drm/virtio/virtgpu_prime.c

@@ -39,7 +39,6 @@ void virtgpu_gem_prime_unpin(struct drm_gem_object *obj)
 	WARN_ONCE(1, "not implemented");
 }
 
-
 struct sg_table *virtgpu_gem_prime_get_sg_table(struct drm_gem_object *obj)
 {
 	WARN_ONCE(1, "not implemented");

drivers/gpu/drm/virtio/virtgpu_vq.c

@@ -596,7 +596,6 @@ static void virtio_gpu_cmd_capset_cb(struct virtio_gpu_device *vgdev,
 	wake_up(&vgdev->resp_wq);
 }
 
-
 int virtio_gpu_cmd_get_display_info(struct virtio_gpu_device *vgdev)
 {
 	struct virtio_gpu_ctrl_hdr *cmd_p;