Add support for new pnacl native toolchain driver

ports/stoken/build.sh

 # Copyright 2016 The Native Client Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 EnableCliMain
 EnableGlibcCompat
 EXTRA_CONFIGURE_ARGS+=" --without-gtk --with-nettle"
 EXECUTABLES=stoken${NACL_EXEEXT}
 
 # Workaround for pthread link order problem (copied from libarchive).
 export LIBS="-lpthread -lm"
 
 TestStep() {
   if [ "${NACL_SHARED}" = "1" ]; then
     EXE=.libs/stoken${NACL_EXEEXT}
     export SEL_LDR_LIB_PATH=${BUILD_DIR}/.libs
   else
     EXE=stoken${NACL_EXEEXT}
   fi
 
-  if [ "${NACL_ARCH}" = "pnacl" ]; then
+  if [ "${NACL_ARCH}" = "pnacl" -o "${NACL_ARCH}" = "le32" ]; then
     TranslateAndWriteLauncherScript ${EXE} x86-32 stoken.x86-32.nexe stoken
   else
     WriteLauncherScript stoken ${EXE}
   fi
 
   LogExecute make check
 }