change the tusb_rhport_init_t struct, exclude the rhport to make API more consistent

src/class/video/video_device.c

@@ -707,7 +707,7 @@ static bool _open_vc_itf(uint8_t rhport, videod_interface_t *self, uint_fast8_t
 
   /* The first descriptor is a video control interface descriptor. */
   uint8_t const *cur = _find_desc_itf(beg, end, _desc_itfnum(beg), altnum);
-  TU_LOG_DRV("    cur %d\r\n", cur - beg);
+  TU_LOG_DRV("    cur %" PRId32 "\r\n", (int32_t) (cur - beg));
   TU_VERIFY(cur < end);
 
   tusb_desc_vc_itf_t const *vc = (tusb_desc_vc_itf_t const *)cur;