drm : Insert blank lines after declarations.

Resolve checkpatch issues for missing blank lines after declarations.
Issues found in multiple files with checkpatch.pl.

Signed-off-by: Suraj Upadhyay <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/20200702131749.GA25710@blackclown
diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c
index bbfc713..1693aa7 100644
--- a/drivers/gpu/drm/drm_prime.c
+++ b/drivers/gpu/drm/drm_prime.c
@@ -1014,6 +1014,7 @@ void drm_prime_gem_destroy(struct drm_gem_object *obj, struct sg_table *sg)
 {
 	struct dma_buf_attachment *attach;
 	struct dma_buf *dma_buf;
+
 	attach = obj->import_attach;
 	if (sg)
 		dma_buf_unmap_attachment(attach, sg, DMA_BIDIRECTIONAL);