registry.local:9001 access fails after changing of OAM IP

[Ghada Khalil]

Brief Description
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After changing the OAM IP address, the SANs for the registry.local is not updated. This results in failure to access the local registry

Severity
--------
TBD.
This may end up more of a procedural/documentation exercise where updating the OAM IP address requires manual steps to handle the registry.local certificate

Steps to Reproduce
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(keystone_admin)]$ system host-lock controller-0
(keystone_admin)]$ system oam-modify oam_subnet=<xxxx> oam_ip=<yyyy> oam_gateway_ip=<zzzz>
(keystone_admin)]$ system host-unlock controller-0

Expected Behavior
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Access to the local registry is still functional

Actual Behavior
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Access to the local registry fails

Reproducibility
---------------
100% Reproducible

System Configuration
--------------------
Any

Branch/Pull Time/Commit
-----------------------
stx master, but likely a day 1 issue

Last Pass
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It doesn't appear that this was tested or noticed previously

Timestamp/Logs
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Not needed. Issue is reproducible.

Test Activity
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Functional testing

Workaround
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Re-issue the registry.local certificate