Remove non-ascii & unprintable characters

These non-ascii & unprintable characters aren't needed.

Change-Id: I129f729f66d6a692de729d76971f7deb7a19c254
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/15977
Tested-by: build bot (Jenkins)
Reviewed-by: Omar Pakker
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

util/kconfig/regex.h

@@ -135,7 +135,7 @@ typedef unsigned reg_syntax_t;
    stored in the pattern buffer, so changing this does not affect
    already-compiled regexps.  */
 extern reg_syntax_t re_syntax_options;
-
+
 /* Define combinations of the above bits for the standard possibilities.
    (The [[[ comments delimit what gets put into the Texinfo file, so
    don't delete them!)  */
@@ -198,7 +198,7 @@ extern reg_syntax_t re_syntax_options;
    | RE_NO_BK_PARENS        | RE_NO_BK_REFS				\
    | RE_NO_BK_VBAR	    | RE_UNMATCHED_RIGHT_PAREN_ORD)
 /* [[[end syntaxes]]] */
-
+
 /* Maximum number of duplicates an interval can allow.  Some systems
    (erroneously) define this in other header files, but we want our
    value, so remove any previous define.  */
@@ -268,7 +268,7 @@ typedef enum
   REG_ESIZE,		/* Compiled pattern bigger than 2^16 bytes.  */
   REG_ERPAREN		/* Unmatched ) or \); not returned from regcomp.  */
 } reg_errcode_t;
-
+
 /* This data structure represents a compiled pattern.  Before calling
    the pattern compiler, the fields `buffer', `allocated', `fastmap',
    `translate', and `no_sub' can be set.  After the pattern has been
@@ -349,7 +349,7 @@ typedef struct re_pattern_buffer regex_t;
 /* search.c (search_buffer) in Emacs needs this one opcode value.  It is
    defined both in `regex.c' and here.  */
 #define RE_EXACTN_VALUE 1
-
+
 /* Type for byte offsets within the string.  POSIX mandates this.  */
 typedef int regoff_t;
 
@@ -380,7 +380,7 @@ typedef struct
   regoff_t rm_so;  /* Byte offset from string's start to substring's start.  */
   regoff_t rm_eo;  /* Byte offset from string's start to substring's end.  */
 } regmatch_t;
-
+
 /* Declarations for routines.  */
 
 /* To avoid duplicating every routine declaration -- once with a
@@ -480,7 +480,7 @@ extern size_t regerror
 extern void regfree _RE_ARGS ((regex_t *preg));
 
 #endif /* not __REGEXP_LIBRARY_H__ */
-
+
 /*
 Local variables:
 make-backup-files: t