Add fault injection hardening profile configuration to Zephyr config.
Default config is to not have any hardening in SW against hardware level
fault injection like clock or power glitching, EM pulse, laser beam, etc.
Change-Id: I67d22d257ead83e1e288de0ee7621aac32bf50eb
Signed-off-by: Tamas Ban <tamas.ban@arm.com>
Signed-off-by: Fabio Utzig <fabio.utzig@nordicsemi.no>