cnic: Add kcq2 support on 57712

The kcq2 (2nd kernel work queue) is used by FCoE on 57712 devices.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/cnic.h b/drivers/net/cnic.h
index fb3b753..e46b4c1 100644
--- a/drivers/net/cnic.h
+++ b/drivers/net/cnic.h
@@ -258,6 +258,7 @@
 	u16		kwq_con_idx;
 
 	struct kcq_info	kcq1;
+	struct kcq_info	kcq2;
 
 	union {
 		void				*gen;