revert usbd_control_xfer_st() implementation

enhance cdc with better multiple interfaces support
add default ep size for cdc and msc device CFG_TUD_CDC_EPSIZE,
CFG_TUD_MSC_EPSIZE

src/class/cdc/cdc_device.h

@@ -43,6 +43,14 @@
 #include "device/usbd.h"
 #include "cdc.h"
 
+//--------------------------------------------------------------------+
+// Class Driver Configuration
+//--------------------------------------------------------------------+
+#ifndef CFG_TUD_CDC_EPSIZE
+#define CFG_TUD_CDC_EPSIZE 64
+#endif
+
+
 #ifdef __cplusplus
  extern "C" {
 #endif