The filesystem /opt/cgcs is removed and its content moved under
/opt/platform.
Resources related to drbd-cgcs and /opt/cgcs are updated to
drbd-plaform and /opt/plaform.
Tested in AIO-SX, AIO-DX and Standard hardware labs.
Depends-On: https://review.opendev.org/674360
Partial-Bug: 1830142
Change-Id: I6d0555f00ab269f7d9567fff365180b66adce8b3
Signed-off-by: Kristine Bujold <kristine.bujold@windriver.com>