[host lpc43xx] adding support for host custom class

refractor usbh class driver indexing
opt out periodic list code in EHCI (need to refractor/group later)
[device lpc176x] rename dcd_endpoint_configure to dcd_pipe_open
add usbd_pipe_open to manage pipe

tinyusb/device/usbd.h

@@ -86,6 +86,7 @@ bool tusbd_is_configured(uint8_t coreid) ATTR_WARN_UNUSED_RESULT;
 #ifdef _TINY_USB_SOURCE_FILE_
 
 tusb_error_t usbd_init(void);
+tusb_error_t usbd_pipe_open(uint8_t coreid, tusb_descriptor_interface_t const * p_interfacae, tusb_descriptor_endpoint_t const * p_endpoint_desc);
 
 #endif