Merge pull request #292 from bwisn/bwisn_ht32fixusb

HT32: add missing fields in USBEndpointConfig, to make it compatible …

os/hal/ports/HT32/LLD/USBv1/hal_usb_lld.h

@@ -185,6 +185,17 @@ typedef struct {
    */
   USBOutEndpointState           *out_state;
   /* End of the mandatory fields.*/
+    /**
+   * @brief   Reserved field, not currently used.
+   * @note    Initialize this field to 1 in order to be forward compatible.
+   */
+  uint16_t                      ep_buffers;
+  /**
+   * @brief   Pointer to a buffer for setup packets.
+   * @details Setup packets require a dedicated 8-bytes buffer, set this
+   *          field to @p NULL for non-control endpoints.
+   */
+  uint8_t                       *setup_buf;
 } USBEndpointConfig;
 
 /**