video-buffer: add more RGB format support

 RGB memory order BGRA
     V4L2_PIX_FMT_XBGR32
     V4L2_PIX_FMT_ABGR32
     V4L2_PIX_FMT_BGR32
  memory order ARGB
     V4L2_PIX_FMT_RGB32
     V4L2_PIX_FMT_ARGB32
     V4L2_PIX_FMT_XRGB32
diff --git a/xcore/xcam_utils.h b/xcore/xcam_utils.h
index 3e8f770..fe941b8 100644
--- a/xcore/xcam_utils.h
+++ b/xcore/xcam_utils.h
@@ -26,7 +26,9 @@
 #endif
 
 #include <base/xcam_common.h>
-
+extern "C" {
+#include <linux/videodev2.h>
+}
 namespace XCam {
 
 static const int64_t InvalidTimestamp = INT64_C(-1);