compute: Add IDPF as a possible nic_type

Closes: hashicorp/terraform-provider-google#19671
Signed-off-by: Norbert Kamiński <[email protected]>

Author: Asiderr

mmv1/third_party/terraform/services/compute/resource_compute_instance.go.tmpl

@@ -465,8 +465,8 @@ func ResourceComputeInstance() *schema.Resource {
 							Type:         schema.TypeString,
 							Optional:     true,
 							ForceNew:     true,
-							ValidateFunc: validation.StringInSlice([]string{"GVNIC", "VIRTIO_NET"}, false),
-							Description:  `The type of vNIC to be used on this interface. Possible values:GVNIC, VIRTIO_NET`,
+							ValidateFunc: validation.StringInSlice([]string{"GVNIC", "VIRTIO_NET", "IDPF"}, false),
+							Description:  `The type of vNIC to be used on this interface. Possible values:GVNIC, VIRTIO_NET, IDPF`,
 						},
 						"access_config": {
 							Type:        schema.TypeList,

mmv1/third_party/terraform/website/docs/r/compute_instance.html.markdown

@@ -395,7 +395,7 @@ is desired, you will need to modify your state file manually using
     array of alias IP ranges for this network interface. Can only be specified for network
     interfaces on subnet-mode networks. Structure [documented below](#nested_alias_ip_range).
 
-* `nic_type` - (Optional) The type of vNIC to be used on this interface. Possible values: GVNIC, VIRTIO_NET.
+* `nic_type` - (Optional) The type of vNIC to be used on this interface. Possible values: GVNIC, VIRTIO_NET, IDPF.
 
 * `network_attachment` - (Optional) [Beta](https://terraform.io/docs/providers/google/guides/provider_versions.html) The URL of the network attachment that this interface should connect to in the following format: `projects/{projectNumber}/regions/{region_name}/networkAttachments/{network_attachment_name}`.