board: nsim: add nsim.props and fix libraries

Signed-off-by: Jingru <jingru@synopsys.com>

examples/hello_world/hello_world.c

@@ -65,6 +65,7 @@ void task3(void *arg)
 
 void application_entry(void *arg)
 {
+    printf("***I am task\r\n");
     osThreadCreate(osThread(task1), NULL); // Create task1
     osThreadCreate(osThread(task2), NULL); // Create task2
 }