code changes to support phoenix/radisys RLT-3200G

Change-Id: I5ad79e3bf23d1ce58a73c5059a061fbd44168c48
diff --git a/agent/device/phoenix/mkdebian/debian/phoenix.install b/agent/device/phoenix/mkdebian/debian/phoenix.install
new file mode 100644
index 0000000..ceeb05b
--- /dev/null
+++ b/agent/device/phoenix/mkdebian/debian/phoenix.install
@@ -0,0 +1 @@
+/tmp