Update common-packer to the latest v0.6.1

Change-Id: I931888e9dd5c57b331f6ec1e95cda9aa550e0811
Signed-off-by: Anil Belur <abelur@linuxfoundation.org>

diff --git a/packer/common-packer b/packer/common-packer
index 9652d3a66dab04fc1ff54b6da3d10d9dfa84e352..9a00328a047d55f0926381c8af1e35de36b6f04e 160000 (submodule)
--- a/packer/common-packer
+++ b/packer/common-packer
@@ -1 +1 @@
-Subproject commit 9652d3a66dab04fc1ff54b6da3d10d9dfa84e352
+Subproject commit 9a00328a047d55f0926381c8af1e35de36b6f04e