Make bufer_list to be more v4l2-less

device/v4l2/device.c

@@ -7,3 +7,7 @@ device_t *device_v4l2_open(const char *name, const char *path)
 {
   return device_open(name, path, &device_hw_v4l2);
 }
+
+device_hw_t device_hw_v4l2 = {
+
+};