Conditionally perform common relocation fixups

Add #ifdefs where necessary to not perform relocation fixups.  This
allows boards/architectures which support relocation to trim a decent
chunk of code.

Note that this patch doesn't add #ifdefs to architecture-specific code
which does not support relocation.

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>

post/post.c

@@ -393,6 +393,7 @@ int post_log (char *format, ...)
 	return 0;
 }
 
+#ifndef CONFIG_RELOC_FIXUP_WORKS
 void post_reloc (void)
 {
 	unsigned int i;
@@ -437,6 +438,7 @@ void post_reloc (void)
 		}
 	}
 }
+#endif
 
 
 /*