crypto: stm32 - Forbid 2-key 3DES in FIPS mode

This patch forbids the use of 2-key 3DES (K1 == K3) in FIPS mode.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Lionel <Debieve&lt;lionel.debieve@st.com>
Tested-by: Lionel <Debieve&lt;lionel.debieve@st.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>