drm/gma500: clean up indentation issues

There are a couple of statements that are indented too deeply,
remove the extraneous tabs and also an empty line.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20200920141407.32672-1-colin.king@canonical.com

drivers/gpu/drm/gma500/cdv_intel_dp.c

@@ -1503,7 +1503,6 @@ cdv_intel_dp_start_link_train(struct gma_encoder *encoder)
 	DRM_DEBUG_KMS("Start train\n");
 	reg = DP | DP_LINK_TRAIN_PAT_1;
 
-
 	for (;;) {
 		/* Use intel_dp->train_set[0] to set the voltage and pre emphasis values */
 		DRM_DEBUG_KMS("DP Link Train Set %x, Link_config %x, %x\n",