[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/class/hid_device.c

@@ -136,7 +136,7 @@ tusb_error_t hidd_init(uint8_t coreid, tusb_descriptor_interface_t const * p_int
     {
       #if TUSB_CFG_DEVICE_HID_KEYBOARD
       case HID_PROTOCOL_KEYBOARD:
-        ASSERT_STATUS( dcd_endpoint_configure(coreid, p_desc_endpoint) );
+        ASSERT_STATUS( dcd_pipe_open(coreid, p_desc_endpoint) );
       break;
       #endif