- move control_request from ehci_data to usbh_device_info_pool
- add test for bulk transfer double (2 consecutive xfers)
- use table (array) structure for class driver, currently included
- refractor extract to function insert_qtd_to_qhd
+ init function
+ install_subtask
--> all class driver function must be declared with WEAK
add usbh_control_xfer_subtask as xfer and wait
fix potential error when update device info & open control pipe for new address
fix build error with hal_****.c
add STATIC_ASSSERT to perform compile time checking with sizeof later
update osal_queue_receive and osal_semaphore_wait for osal_none to support subtask