ehea: converting msleeps to waitqueue on check_sqs() function

Removing the msleep() call in check_sqs() function, and replacing by a wait queue.

Signed-off-by: Breno Leitao <leitao@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ehea/ehea.h b/drivers/net/ehea/ehea.h
index 5bae7da..1321cb6 100644
--- a/drivers/net/ehea/ehea.h
+++ b/drivers/net/ehea/ehea.h
@@ -492,6 +492,7 @@
 	u8 autoneg;
 	u8 num_def_qps;
 	wait_queue_head_t swqe_avail_wq;
+	wait_queue_head_t restart_wq;
 };
 
 struct port_res_cfg {