qemu/main.c: Integrate atexit to be run while exiting.

Signed-off-by: Andrew Leech <andrew@alelec.net>

Author: pi-anl

ports/qemu/main.c

@@ -30,6 +30,7 @@
 #include "py/runtime.h"
 #include "py/stackctrl.h"
 #include "py/gc.h"
+#include "py/modatexit.h"
 #include "py/mperrno.h"
 #include "shared/runtime/gchelper.h"
 #include "shared/runtime/pyexec.h"
@@ -60,6 +61,10 @@ int main(int argc, char **argv) {
             }
         }
 
+        #if MICROPY_PY_ATEXIT
+        mp_atexit_execute();
+        #endif
+
         mp_printf(&mp_plat_print, "MPY: soft reboot\n");
 
         gc_sweep_all();