[PATCH v4 6/6] crypto/fsl: add RNG support

[Heinrich Schuchardt]

On 6/27/20 10:58 PM, Michael Walle wrote:
> Register the random number generator with the rng subsystem in u-boot.
> This way it can be used by EFI as well as for the 'rng' command.
>
> Signed-off-by: Michael Walle <michael at walle.cc>

Tested on a i.MX6 Wandward Quad with additional patch

ARM: mx6: make CAAM usable on the i.MX6 boards
https://lists.denx.de/pipermail/u-boot/2020-June/417716.html

* The rng command produces random output.
* No cache alignment warning are shown.
* The UEFI random number selftest shows not problem.
* Linux announces: "efi: seeding entropy pool".

Tested-by: Heinrich Schuchardt <xypron.glpk at gmx.de>