Add support for new pnacl native toolchain driver

ports/toybox/nacl.patch

Index: ports/toybox/nacl.patch
diff --git a/ports/toybox/nacl.patch b/ports/toybox/nacl.patch
index 2b764590d925b2532ae4f02a00b127c84df74c1d..ae3f68c801b916d27fdfbfe7963215e50f744a58 100644
--- a/ports/toybox/nacl.patch
+++ b/ports/toybox/nacl.patch
@@ -622,15 +622,22 @@ diff --git a/scripts/make.sh b/scripts/make.sh
  
  do_loudly()
  {
-@@ -172,7 +173,7 @@ do_loudly()
+@@ -172,9 +173,13 @@ do_loudly()
    "$@"
  }
  
 -do_loudly ${CROSS_COMPILE}${CC} $CFLAGS -I . -o toybox_unstripped $OPTIMIZE \
 +do_loudly ${CROSS_COMPILE}${CC} $CFLAGS $LDFLAGS -I . -o toybox_unstripped $OPTIMIZE \
    main.c lib/*.c $TOYFILES -Wl,--as-needed $OPTLIBS  || exit 1
- do_loudly ${CROSS_COMPILE}${STRIP} toybox_unstripped -o toybox || exit 1
+-do_loudly ${CROSS_COMPILE}${STRIP} toybox_unstripped -o toybox || exit 1
++if [ ${NACL_ARCH} -ne le32 ]; then
++  do_loudly ${CROSS_COMPILE}${STRIP} toybox_unstripped -o toybox || exit 1
++else
++  do_loudly cp toybox_unstripped toybox || exit 1
++fi
  # gcc 4.4's strip command is buggy, and doesn't set the executable bit on
+ # its output the way SUSv4 suggests it do so.
+ do_loudly chmod +x toybox || exit 1
 diff --git a/toys.h b/toys.h
 --- a/toys.h
 +++ b/toys.h