qlcnic: replace magic numbers with defines

Signed-off-by: Sony Chacko <sony.chacko@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/qlcnic/qlcnic.h b/drivers/net/qlcnic/qlcnic.h
index 5c549c5..d198367 100644
--- a/drivers/net/qlcnic/qlcnic.h
+++ b/drivers/net/qlcnic/qlcnic.h
@@ -148,6 +148,7 @@
 
 #define DEFAULT_RCV_DESCRIPTORS_1G	2048
 #define DEFAULT_RCV_DESCRIPTORS_10G	4096
+#define MAX_RDS_RINGS                   2
 
 #define get_next_index(index, length)	\
 	(((index) + 1) & ((length) - 1))