crypto: talitos - eliminate unneeded 'done' functions at build time

When building for SEC1 only, talitos2_done functions are unneeded
and should go away.

For this, use has_ftr_sec1() which will always return true when only
SEC1 support is being built, allowing GCC to drop TALITOS2 functions.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Reviewed-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>