arch/c5471/include and arch/dm320/include are not identical. This is in...

arch/c5471/include and arch/dm320/include are not identical.  This is in preparation to replace arch/c5471 and arch/dm320 with arch/arm


git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@186 42af7a65-404d-4744-a932-0658087f49c3