PCI: designware-plat: Populate ->get_features() dw_pcie_ep_ops

Populate ->get_features() dw_pcie_ep_ops to return the EPC features
supported by Designware PCIe endpoint controller.
Tested-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>

drivers/pci/controller/dwc/pcie-designware-plat.c

@@ -100,9 +100,22 @@ static int dw_plat_pcie_ep_raise_irq(struct dw_pcie_ep *ep, u8 func_no,
 	return 0;
 }
 
+static const struct pci_epc_features dw_plat_pcie_epc_features = {
+	.linkup_notifier = false,
+	.msi_capable = true,
+	.msix_capable = true,
+};
+
+static const struct pci_epc_features*
+dw_plat_pcie_get_features(struct dw_pcie_ep *ep)
+{
+	return &dw_plat_pcie_epc_features;
+}
+
 static struct dw_pcie_ep_ops pcie_ep_ops = {
 	.ep_init = dw_plat_pcie_ep_init,
 	.raise_irq = dw_plat_pcie_ep_raise_irq,
+	.get_features = dw_plat_pcie_get_features,
 };
 
 static int dw_plat_add_pcie_port(struct dw_plat_pcie *dw_plat_pcie,