Crypto/chcr: Fixes a coccinile check error

This fixes an error observed after running coccinile check.
drivers/crypto/chelsio/chcr_algo.c:1462:5-8: Unneeded variable:
"err". Return "0" on line 1480

This line is missed in the commit 567be3a5 ("crypto:
chelsio - Use multiple txq/rxq per tfm to process the requests").

Fixes: 567be3a5 ("crypto:
chelsio - Use multiple txq/rxq per tfm to process the requests").

V1->V2
-Modified subject.
Signed-off-by: Ayush Sawal <ayush.sawal@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/crypto/chelsio/chcr_algo.c

@@ -1464,6 +1464,7 @@ static int chcr_device_init(struct chcr_context *ctx)
 	if (!ctx->dev) {
 		u_ctx = assign_chcr_device();
 		if (!u_ctx) {
+			err = -ENXIO;
 			pr_err("chcr device assignment fails\n");
 			goto out;
 		}