linux/ena: Fix PHC info release timing

As PHC info is a part of the adapter struct and since the adapter
struct is also a part of the netdev private area [1],
PHC info must be released before releasing netdev.

[1]: https://elixir.bootlin.com/linux/v6.7/source/net/core/dev.c#L10778

Fixes: 2e9a716 ("linux/ena: Move PHC info struct allocation")
Signed-off-by: Amit Bernstein <amitbern@amazon.com>

kernel/linux/ena/ena_netdev.c

@@ -4914,6 +4914,8 @@ static void __ena_shutoff(struct pci_dev *pdev, bool shutdown)
 	adapter->reset_reason = ENA_REGS_RESET_SHUTDOWN;
 	ena_destroy_device(adapter, true);
 
+	ena_phc_free(adapter);
+
 	if (shutdown) {
 		netif_device_detach(netdev);
 		dev_close(netdev);
@@ -4932,8 +4934,6 @@ static void __ena_shutoff(struct pci_dev *pdev, bool shutdown)
 
 	ena_com_delete_customer_metrics_buffer(ena_dev);
 
-	ena_phc_free(adapter);
-
 	ena_release_bars(ena_dev, pdev);
 
 	pci_disable_device(pdev);