add project file for keil

fix binary.h compiler specific
add hal_init code to reset & set usbmode --> able to get USB ISR
remove const qualifier from return function of
- get_operational_register
- get_period_frame_list
- get_async_head
- get_period_head
- get_control_qhd
add stub for
- hcd_port_connect_status
- hcd_port_speed

demos/host/main.c

@@ -21,11 +21,12 @@ int main(void)
   board_init();
   tusb_init();
 
+  printf("reset\n");
   while (1)
   {
-    if (current_tick + 1000 < system_ticks)
+    if (current_tick + 30*1000 < system_ticks)
     {
-      current_tick += 1000;
+      current_tick += 30*1000;
       board_leds(0x01, (current_tick/1000)%2); /* Toggle LED once per second */
 
       printf("tinyusb: " __DATE__ "\t" __TIME__ "\n");