[ipq806x] : IPV6 6RD Host module for NSS

These changes include host 6rd module and connection manager
changes to push 6rd tunnel rule.

Change-Id: I77fb43545f7478b58c3f1e85c42008f075a74ab2
Signed-off-by: Bharath M Kumar <mbkumar@codeaurora.org>
Reviewed-by: Abhishek Rastogi <arastogi@codeaurora.org>
5 files changed