qcacld-3.0: Add backport flag support for netdev registration

Add backport flag support for enabling cfg80211 netdev
registration APIs.

Change-Id: Id76c938deb54837de85fbf3438c70a9b509adac8
CRs-Fixed: 3589956

core/hdd/src/wlan_hdd_main.c

@@ -6815,7 +6815,8 @@ free_net_dev:
 	return NULL;
 }
 
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 12, 0)
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 12, 0) || \
+	(defined CFG80211_CHANGE_NETDEV_REGISTRATION_SEMANTICS))
 static int
 hdd_register_netdevice(struct hdd_adapter *adapter, struct net_device *dev,
 		       struct hdd_adapter_create_param *params)
@@ -7786,7 +7787,8 @@ static void hdd_sta_destroy_ctx_all(struct hdd_context *hdd_ctx)
 	}
 }
 
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 12, 0)
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 12, 0) || \
+	(defined CFG80211_CHANGE_NETDEV_REGISTRATION_SEMANTICS))
 static void
 hdd_unregister_netdevice(struct hdd_adapter *adapter, struct net_device *dev)
 {