[FAB-11599] Private data doc edits
[FAB-11599] Private data doc edits

Edits for private data reconciliation and
access control.

Change-Id: Ib094756644aebf01bb507c7ed057db3a8a13d72a
Signed-off-by: David Enyeart <3d699cfec69cc11a9ba1c3a1aef3260ab163489b@us.ibm.com>
Signed-off-by: joe-alewine <fe2d55ddcdde6f951d073228e1f2dc081e79a271@ibm.com>

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