internal/cloud/gcp/compute: keep legacy Guest OS Features for el9.0

The SEV-SNP support was added since RHEL-9.1, so we need to keep the
original Guest OS Feature set when importing RHEL-9.0 images to GCP.

Signed-off-by: Tomáš Hozza <thozza@redhat.com>

internal/cloud/gcp/compute.go

@@ -30,6 +30,15 @@ var GuestOsFeaturesRHEL9 []*computepb.GuestOsFeature = []*computepb.GuestOsFeatu
 	{Type: common.ToPtr(computepb.GuestOsFeature_SEV_SNP_CAPABLE.String())},
 }
 
+// Guest OS Features for RHEL9.0 images.
+// The SEV-SNP support was added since RHEL-9.1, so keeping this for RHEL-9.0 only.
+var GuestOsFeaturesRHEL90 []*computepb.GuestOsFeature = []*computepb.GuestOsFeature{
+	{Type: common.ToPtr(computepb.GuestOsFeature_UEFI_COMPATIBLE.String())},
+	{Type: common.ToPtr(computepb.GuestOsFeature_VIRTIO_SCSI_MULTIQUEUE.String())},
+	{Type: common.ToPtr(computepb.GuestOsFeature_SEV_CAPABLE.String())},
+	{Type: common.ToPtr(computepb.GuestOsFeature_GVNIC.String())},
+}
+
 // GuestOsFeaturesByDistro returns the the list of Guest OS Features, which
 // should be used when importing an image of the specified distribution.
 //
@@ -42,6 +51,8 @@ func GuestOsFeaturesByDistro(distroName string) []*computepb.GuestOsFeature {
 	case strings.HasPrefix(distroName, "rhel-8"):
 		return GuestOsFeaturesRHEL8
 
+	case distroName == "rhel-90":
+		return GuestOsFeaturesRHEL90
 	case strings.HasPrefix(distroName, "centos-9"):
 		fallthrough
 	case strings.HasPrefix(distroName, "rhel-9"):