crypto: arm64/sm3 - raise the priority of the CE implementation

Raise the priority of the sm3-ce algorithm from 200 to 400, this is
to make room for the implementation of sm3-neon.

Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>