working on suspend and resume

change dcd_init signature

src/common/tusb_types.h

@@ -103,6 +103,13 @@ typedef enum
   TUSB_REQ_SYNCH_FRAME         ///< 12
 }tusb_request_code_t;
 
+typedef enum
+{
+  TUSB_REQ_FEATURE_EDPT_HALT = 0,
+  TUSB_REQ_FEATURE_REMOTE_WAKEUP = 1,
+  TUSB_REQ_FEATURE_TEST_MODE = 2
+}tusb_request_feature_selector_t;
+
 typedef enum
 {
   TUSB_REQ_TYPE_STANDARD = 0,