Fix the build

In between the json patch being written, and the json patch being
merged, nlohmann library added binary types:
https://nlohmann.github.io/json/features/binary_values/



Which is non standard, but used for things like cbor.

Add a switch to handle them.

Signed-off-by: Ed Tanous <ed@tanous.net>
Change-Id: I8599847a063a14c5f489e8347c2c440347d2544d