ipsec: Add IV generator information to xfrm_state

This patch adds IV generator information to xfrm_state.  This
is currently obtained from our own list of algorithm descriptions.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --cc include/net/xfrm.h
Simple merge

diff --cc net/key/af_key.c
Simple merge

diff --cc net/xfrm/xfrm_user.c
Simple merge