Allow building OS X 10.7 binaries.

binaries/mac_10.7/lib/valgrind/arm-with-vfpv3-valgrind.xml

Index: binaries/mac_10.7/lib/valgrind/arm-with-vfpv3-valgrind.xml
===================================================================
--- binaries/mac_10.7/lib/valgrind/arm-with-vfpv3-valgrind.xml	(revision 0)
+++ binaries/mac_10.7/lib/valgrind/arm-with-vfpv3-valgrind.xml	(revision 0)
@@ -0,0 +1,16 @@
+<?xml version="1.0"?>
+<!-- Copyright (C) 2009, 2010 Free Software Foundation, Inc.
+
+     Copying and distribution of this file, with or without modification,
+     are permitted in any medium without royalty provided the copyright
+     notice and this notice are preserved.  -->
+
+<!DOCTYPE target SYSTEM "gdb-target.dtd">
+<target>
+  <xi:include href="arm-core.xml"/>
+  <xi:include href="arm-vfpv3.xml"/>
+  <xi:include href="arm-core-valgrind-s1.xml"/>
+  <xi:include href="arm-vfpv3-valgrind-s1.xml"/>
+  <xi:include href="arm-core-valgrind-s2.xml"/>
+  <xi:include href="arm-vfpv3-valgrind-s2.xml"/>
+</target>