drm/hisilicon: Delete the unused macro

The macro PADDING is no longer used. Delete it.

Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/1601340326-14049-1-git-send-email-tiantao6@hisilicon.com

drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c

@@ -52,8 +52,6 @@ static const struct hibmc_dislay_pll_config hibmc_pll_table[] = {
 	{1920, 1200, CRT_PLL1_HS_193MHZ, CRT_PLL2_HS_193MHZ},
 };
 
-#define PADDING(align, data) (((data) + (align) - 1) & (~((align) - 1)))
-
 static int hibmc_plane_atomic_check(struct drm_plane *plane,
 				    struct drm_plane_state *state)
 {