update: change memcpy with usb_memcpy, fuck newlib with memcpy unalign bug

Signed-off-by: sakumisu <1203593632@qq.com>

common/usb_memcpy.h

@@ -88,4 +88,7 @@ static inline void *usb_memcpy(void *s1, const void *s2, size_t n)
     }
     return s1;
 }
+
+#define memcpy usb_memcpy
+
 #endif