Releng: use boot OT/J compiler to create new compiler for phase 2

- pass one more argument to stage 1
diff --git a/releng/build-scripts/build/run.xml b/releng/build-scripts/build/run.xml
index cfb4d04..4b63894 100644
--- a/releng/build-scripts/build/run.xml
+++ b/releng/build-scripts/build/run.xml
@@ -260,6 +260,7 @@
 	            <arg value="${buildfile}"/>
 	            <arg value="-Dbuild.root.dir=${build.root.dir}"/>
 	            <arg value="-DbaseLocation=${baseLocation}"/>
+	            <arg value="-DbootLocation=${bootLocation}"/>
 	            <arg value="-DOTScriptDir=${OTScriptDir}"/>
 	            <arg value="-Drun.eclipseScriptDir=${run.eclipseScriptDir}"/>
 	            <arg value="-Dbuilder=${builder-otcompiler}"/>