Coding Style cleanup: remove trailing white space

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/board/prodrive/p3p440/init.S b/board/prodrive/p3p440/init.S
index 8f4c1cc..35b1afa 100644
--- a/board/prodrive/p3p440/init.S
+++ b/board/prodrive/p3p440/init.S
@@ -4,7 +4,7 @@
  *
  * Copyright (C) 2002 Scott McNutt <smcnutt@artesyncp.com>
  *
- * SPDX-License-Identifier:	GPL-2.0+ 
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <ppc_asm.tmpl>