XXXX introduce drv_sectohz

*** 118,128 ****
          rdsv3_sock_count--;
          mutex_exit(&rdsv3_sock_lock);
  
          while (sk->sk_refcount > 1) {
                  /* wait for 1 sec and try again */
!                 delay(drv_usectohz(1000000));
          }
  
          /* this will free the rs and sk */
          rdsv3_sk_sock_put(sk);
  
--- 118,128 ----
          rdsv3_sock_count--;
          mutex_exit(&rdsv3_sock_lock);
  
          while (sk->sk_refcount > 1) {
                  /* wait for 1 sec and try again */
!                 delay(drv_sectohz(1));
          }
  
          /* this will free the rs and sk */
          rdsv3_sk_sock_put(sk);