add semaphore post in usbh_isr for control pipe

add osal_queue_send in usbh_device_plugged
add macro for placing breakpoint macros
fix ehci init:
- regs->cmd or (add run_stop)
- enable port power in portsc
add tusb_task_runner in main loop

tinyusb/common/common.h

@@ -83,6 +83,12 @@
 //--------------------------------------------------------------------+
 // MACROS
 //--------------------------------------------------------------------+
+#ifndef _TEST_
+  #define ASM_BREAKPOINT __asm("BKPT #0\n")          // Place breakpoint to stop the debugger at desire
+#else
+  #define ASM_BREAKPOINT
+#endif
+
 #define STRING_(x)  #x                             // stringify without expand
 #define XSTRING_(x) STRING_(x)                     // expand then stringify
 #define STRING_CONCAT_(a, b) a##b                  // concat without expand