Add more include header file for GGL, to make it self-compilable

Change-Id: I833cb194784450fb86e7961a7f9fe196ce3c7da5

hipamd/include/hip/hcc_detail/grid_launch_GGL.hpp

@@ -28,6 +28,9 @@ THE SOFTWARE.
 #include "hc.hpp"
 #include "hip_hcc.h"
 #include "hip_runtime.h"
+
+#include <functional>
+#include <iostream>
 #include <stdexcept>
 #include <type_traits>
 #include <utility>