video: driver: rename video header interface file

Rename msm_vidc_utils.h to v4l2_vidc_extensions.h.

Change-Id: I50a9212d3d28756bdf0be33e135bce9c6337a816
Signed-off-by: Akshata Sahukar <asahukar@codeaurora.org>

driver/vidc/inc/msm_vidc_control.h

@@ -6,7 +6,7 @@
 #ifndef _MSM_VIDC_CONTROL_H_
 #define _MSM_VIDC_CONTROL_H_
 
-#include <media/msm_vidc_utils.h>
+#include <media/v4l2_vidc_extensions.h>
 #include "msm_vidc_inst.h"
 #include "msm_vidc_internal.h"