crypto: skcipher - Pass statesize for simple lskcipher instances

When ecb is used to wrap an lskcipher, the statesize isn't set
correctly.  Fix this by making the simple instance creator set
the statesize.

Reported-by:  <syzbot+8ffb0839a24e9c6bfa76@syzkaller.appspotmail.com>
Reported-by: Edward Adam Davis <eadavis@qq.com>
Fixes: 662ea18d

 ("crypto: skcipher - Make use of internal state")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>