helper: cuckootable: add missing return codes
helper: cuckootable: add missing return codes

add missing return codes for non void functions.

Signed-off-by: Maxim Uvarov <db4d16e02ae2d7493db430203537da8b2e34f290@linaro.org>
Reviewed-and-tested-by: Bill Fischofer <52f3c909d51cc5d355a68a403df6906b3c1a8f83@linaro.org>

erachmi/odp,erachmi/odp,erachmi/odp,erachmi/odp