Re-send code review duo to blocked.

Hi Owners

Attached is code review for "Bug 1695 - Open a method to Enabled/Disabled IPV6/IPV6 PXE Support",
Would you please help to review it? Thanks

Please refer Bug description form Bugzilla.
https://bugzilla.tianocore.org/show_bug.cgi?id=1695

best regards,
Roy