tests: secure_storage: enable entropy driver if available

On top of enabling and allowing test entropy sources, enable
CONFIG_ENTROPY_GENERATOR so that a real driver and entropy source gets
used if available.
This is needed for some PSA Crypto implementations that have random number
generation conditionally compiled in.

Signed-off-by: Tomi Fontanilles <tomi.fontanilles@nordicsemi.no>
2 files changed