PCI: dwc/intel-gw: Drop unnecessary checking of DT 'device_type' property

A driver doesn't need to check for DT 'device_type' property, so let's
remove the check.

Link: https://lore.kernel.org/r/20200821035420.380495-37-robh@kernel.orgSigned-off-by: NRob Herring <robh@kernel.org>
Signed-off-by: NLorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Dilip Kota <eswara.kota@linux.intel.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>

drivers/pci/controller/dwc/pcie-intel-gw.c

@@ -268,12 +268,6 @@ static int intel_pcie_get_resources(struct platform_device *pdev)
 		return ret;
 	}
 
-	ret = device_property_match_string(dev, "device_type", "pci");
-	if (ret) {
-		dev_err(dev, "Failed to find pci device type: %d\n", ret);
-		return ret;
-	}
-
 	ret = device_property_read_u32(dev, "reset-assert-ms",
 				       &lpp->rst_intrvl);
 	if (ret)