disp: msm: sde rotator driver configs for probe only

Added code for dummy probe defined under
CONFIG_SDE_ROTATOR_INIT_ONLY to address cases where
rotator device node is defined but driver needs to be
disabled. This is stop gap arrangement until v4l2
configs are available in GKI.

Change-Id: I069b37f818d2e4401b3992f1f1e308858a7e29e6
Signed-off-by: Raviteja Tamatam <travitej@codeaurora.org>

rotator/sde_rotator_dev.h

@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 /*
- * Copyright (c) 2015-2019, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2015-2020, The Linux Foundation. All rights reserved.
  */
 
 #ifndef __SDE_ROTATOR_DEV_H__
@@ -215,7 +215,9 @@ struct sde_rotator_device {
 	struct device *dev;
 	struct v4l2_device v4l2_dev;
 	struct video_device *vdev;
+#ifndef CONFIG_MSM_SDE_ROTATOR_INIT_ONLY
 	struct v4l2_m2m_dev *m2m_dev;
+#endif
 	struct platform_device *pdev;
 	const void *drvdata;
 	u32 early_submit;