Big white-space cleanup.

This commit gets rid of a huge amount of silly white-space issues.
Especially, all sequences of SPACEs followed by TAB characters get
removed (unless they appear in print statements).

Also remove all embedded "vim:" and "vi:" statements which hide
indentation problems.

Signed-off-by: Wolfgang Denk <wd@denx.de>

lib_generic/string.c

@@ -263,7 +263,7 @@ char * strdup(const char *s)
 #ifndef __HAVE_ARCH_STRSPN
 /**
  * strspn - Calculate the length of the initial substring of @s which only
- * 	contain letters in @accept
+ *	contain letters in @accept
  * @s: The string to be searched
  * @accept: The string to search for
  */