PCI: dwc: Add braces to multi-line if-else statements

Add braces around single-line if-else statements when the opposite case
requires them.

Link: https://lore.kernel.org/r/20220624143428.8334-8-Sergey.Semin@baikalelectronics.ru
Tested-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>

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

@@ -699,9 +699,9 @@ int dw_pcie_ep_init(struct dw_pcie_ep *ep)
 
 	if (!pci->dbi_base2) {
 		res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dbi2");
-		if (!res)
+		if (!res) {
 			pci->dbi_base2 = pci->dbi_base + SZ_4K;
-		else {
+		} else {
 			pci->dbi_base2 = devm_pci_remap_cfg_resource(dev, res);
 			if (IS_ERR(pci->dbi_base2))
 				return PTR_ERR(pci->dbi_base2);

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

@@ -699,8 +699,9 @@ void dw_pcie_iatu_detect(struct dw_pcie *pci)
 			pci->atu_size = SZ_4K;
 
 		dw_pcie_iatu_detect_regions_unroll(pci);
-	} else
+	} else {
 		dw_pcie_iatu_detect_regions(pci);
+	}
 
 	dev_info(pci->dev, "iATU unroll: %s\n", pci->iatu_unroll_enabled ?
 		"enabled" : "disabled");