Include imx specific drm headers

Change-Id: I7e0e610ab4ee8db57cb3c97895a2ee2622f83730
diff --git a/plugins/vpu/gstvpudec.c b/plugins/vpu/gstvpudec.c
index 9ce437b..02f9db5 100755
--- a/plugins/vpu/gstvpudec.c
+++ b/plugins/vpu/gstvpudec.c
@@ -44,7 +44,7 @@
 #ifdef USE_ION
 #include <gst/allocators/gstionmemory.h>
 #endif
-#include <libdrm/drm_fourcc.h>
+#include <libdrm/drm_fourcc_imx.h>
 #include "gstimxcommon.h"
 #include "gstvpuallocator.h"
 #include "gstvpudec.h"
diff --git a/plugins/vpu/gstvpudecobject.c b/plugins/vpu/gstvpudecobject.c
index f03af36..b098fc8 100755
--- a/plugins/vpu/gstvpudecobject.c
+++ b/plugins/vpu/gstvpudecobject.c
@@ -19,7 +19,7 @@
  */
 
 #include <string.h>
-#include <libdrm/drm_fourcc.h>
+#include <libdrm/drm_fourcc_imx.h>
 #include <gst/video/gstvideometa.h>
 #include <gst/video/gstvideohdr10meta.h>
 #include "gstimxcommon.h"