drm: Fix some coding style issues

Put an empty line between the variable declarations and the code, and
use tabs for alignment.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180305144919.2881-3-ville.syrjala@linux.intel.comAcked-by: Daniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/drm_framebuffer.c

@@ -158,6 +158,7 @@ static int framebuffer_check(struct drm_device *dev,
 	info = __drm_format_info(r->pixel_format & ~DRM_FORMAT_BIG_ENDIAN);
 	if (!info) {
 		struct drm_format_name_buf format_name;
+
 		DRM_DEBUG_KMS("bad framebuffer format %s\n",
 			      drm_get_format_name(r->pixel_format,
 						  &format_name));