crypto: drbg - ensure most preferred type is FIPS health checked

drbg supports multiple types of drbg, and multiple parameters of
each. Health check sanity only checks one drbg of a single type. One
can enable all three types of drbg. And instead of checking the most
preferred algorithm (last one wins), it is currently checking first
one instead.

Update ifdef to ensure that healthcheck prefers HMAC, over HASH, over
CTR, last one wins, like all other code and functions.

This patch updates code from 541af946fe ("crypto: drbg - SP800-90A
Deterministic Random Bit Generator"), but is not interesting to
cherry-pick for stable updates, because it doesn't affect regular
builds, nor has any tangible effect on FIPS certifcation.

Signed-off-by: Dimitri John Ledkov <[email protected]>
Reviewed-by: Stephan Mueller <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>

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