fix trailing space and new line

temporarily disable codespell

src/portable/nxp/khci/hcd_khci.c

@@ -1,4 +1,4 @@
-/* 
+/*
  * The MIT License (MIT)
  *
  * Copyright (c) 2021 Koji Kitayama
@@ -414,7 +414,7 @@ void hcd_int_disable(uint8_t rhport)
 uint32_t hcd_frame_number(uint8_t rhport)
 {
   (void)rhport;
-  /* The device must be reset at least once after connection 
+  /* The device must be reset at least once after connection
    * in order to start the frame counter. */
   if (_hcd.need_reset) hcd_port_reset(rhport);
   uint32_t frmnum = KHCI->FRMNUML;