techpack: video: add video driver

Add initial video driver files.

Change-Id: Icd48bbf31e435cf36f149d6c3267cf3a4d7913b3
Signed-off-by: Maheshwar Ajja <majja@codeaurora.org>

driver/variant/iris2/inc/msm_vidc_iris2.h

@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2020, The Linux Foundation. All rights reserved.
+ */
+
+#include "msm_vidc_core.h"
+
+//#if defined(CONFIG_MSM_VIDC_IRIS2)
+int msm_vidc_init_iris2(struct msm_vidc_core *core);
+//#else
+//static inline int msm_vidc_init_iris2(struct msm_vidc_core *core)
+//{
+//	return -EINVAL;
+//}
+//#endif