ecryptfs-utils was not available on Microblaze due to its dependency
on keyutils, which itself was not available on Microblaze due to build
issues. However, now that keyutils has been re-enabled on Microblaze,
we can also re-enable ecryptfs-utils on this architecture.
Signed-off-by: Giulio Benetti <giulio.benetti@micronovasrl.com>
[Thomas: rework commit log]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>