[Components][USB]修复拼写错误
@@ -225,7 +225,7 @@ extern "C" {
#ifndef USB_TIMEOUT_LONG
#define USB_TIMEOUT_LONG (RT_TICK_PER_SECOND * 5) /* 5s */
#endif
-#ifndf USB_DEBOUNCE_TIME
+#ifndef USB_DEBOUNCE_TIME
#define USB_DEBOUNCE_TIME (RT_TICK_PER_SECOND / 5) /* 0.2s */