BNX2: free temp_stats_blk on error path

In bnx2_init_board, missing free temp_stats_blk on error path when
some operations do failed. Just add the 'kfree' operation.
Signed-off-by: NWang Weidong <wangweidong1@huawei.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/broadcom/bnx2.c

@@ -8476,6 +8476,8 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
 	pci_disable_device(pdev);
 
 err_out:
+	kfree(bp->temp_stats_blk);
+
 	return rc;
 }