awgtpman: add include to remove warning

Fixes undeclared function warning when building awg client in DTT

src/gds/awgtpman/testpoint.c

@@ -11,6 +11,7 @@
 #include "dtt/gdserrmsg.h"
 #include "tconv.h"
 #include "testpoint_interface_v3.h"
+#include "testpoint.h"
 
 #if defined (_CONFIG_DYNAMIC)
 #include "confinfo.h"