This change provides the code required for dynamic helm overrides based
on deployment type and restricts the ptp-notification app to its
supported namespace.
Further updates to ptp_notification.py will be made to provide the exact
overrides available, but the framework is established here.
Story: 2008529
Task: 41671
Depends-On: https://review.opendev.org/c/starlingx/config/+/772123
Signed-off-by: Cole Walker <cole.walker@windriver.com>
Change-Id: I3ea3b70506081552160f6d1f234741b4c23e6d73