[U-Boot] common/cmd_nand.c license terms

[Wolfgang Denk]

Dear Scott,

with commit ea533c2 "cmd_nand: some infrastructure fixes and
refactoring" (Mon Aug 02, 2010), you added the following license
header to common/cmd_nand.c :

+ * Copyright 2010 Freescale Semiconductor
+ * The portions of this file whose copyright is held by Freescale and which
+ * are not considered a derived work of GPL v2-only code may be distributed
+ * and/or modified under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.

Looking at this commit, it is totally unclear to me which parts of the
newly added code you could be referring to with your "which are not
considered a derived work of GPL v2-only code".

Your addition makes the legal situation of the whole file pretty much
indeterminable.  Could you please be so kind and explain what exactly
your intention was, and what exactly yuou were referring to?

Best regards,

Wolfgang Denk

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