module: add a missing header

The private part of struct struct processing_module contains a list
head, add the respective header.

Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>

Author: lyakh

src/include/module/module/base.h

@@ -16,6 +16,10 @@
 #include "interface.h"
 #include "../ipc4/base-config.h"
 
+#ifdef SOF_MODULE_API_PRIVATE
+#include <sof/list.h>
+#endif
+
 #define module_get_private_data(mod) ((mod)->priv.private)
 #define module_set_private_data(mod, data) ((mod)->priv.private = data)