crypto: octeontx2 - set assoclen in aead_do_fallback()

Currently, in case of aead fallback, no associated data info is set in the
fallback request. To fix this, call aead_request_set_ad() to pass the assoclen.

Fixes: 6f03f0e8 ("crypto: octeontx2 - register with linux crypto framework")
Signed-off-by: NOvidiu Panait <ovidiu.panait@windriver.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/marvell/octeontx2/otx2_cptvf_algs.c

@@ -1274,6 +1274,7 @@ static int aead_do_fallback(struct aead_request *req, bool is_enc)
 					  req->base.complete, req->base.data);
 		aead_request_set_crypt(&rctx->fbk_req, req->src,
 				       req->dst, req->cryptlen, req->iv);
+		aead_request_set_ad(&rctx->fbk_req, req->assoclen);
 		ret = is_enc ? crypto_aead_encrypt(&rctx->fbk_req) :
 			       crypto_aead_decrypt(&rctx->fbk_req);
 	} else {