buildroot: remove trailing spaces

for i in `find -name 'Config*' -o -name 'Makefile*' -o -name '*.mk'`;
do
	sed -i 's/ \+$//' $i;
done

package/tinyhttpd/Config.in

@@ -3,5 +3,5 @@ config BR2_PACKAGE_TINYHTTPD
 	help
 	  A relatively simple webserver written as a school project. It is
 	  exceedingly simple, threaded and handles basic CGI scripts.
-		 
+		
 	  http://sourceforge.net/projects/tinyhttpd/