libpayload: PDCurses: Remove trailing whitespace

find . -type f |xargs perl -pi -e 's, *$,,'
find . -type f |xargs perl -pi -e 's,	*$,,'

Change-Id: I62c2bc15b7c395a68b68422e701edf98b08e27c6
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: http://review.coreboot.org/12399
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>

payloads/libpayload/curses/PDCurses/os2/README

@@ -31,7 +31,7 @@ Building
   library, provided for convenience; both panel and curses functions are
   in the main library.
 
-  You can also use the optional parameter "DLL=Y" with EMX, to build the 
+  You can also use the optional parameter "DLL=Y" with EMX, to build the
   library as a DLL:
 
 	make -f gccos2.mak DLL=Y