PCI/ACPI: Move pcie_to_hpx3_type[] from stack to static data

Move pcie_to_hpx3_type[] from the stack to static data.  This reduces stack
usage and also makes the object code slightly smaller.

Link: https://lore.kernel.org/r/20200210085256.319424-1-colin.king@canonical.comSigned-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

drivers/pci/pci-acpi.c

@@ -439,7 +439,7 @@ enum hpx_type3_dev_type {
 static u16 hpx3_device_type(struct pci_dev *dev)
 {
 	u16 pcie_type = pci_pcie_type(dev);
-	const int pcie_to_hpx3_type[] = {
+	static const int pcie_to_hpx3_type[] = {
 		[PCI_EXP_TYPE_ENDPOINT]    = HPX_TYPE_ENDPOINT,
 		[PCI_EXP_TYPE_LEG_END]     = HPX_TYPE_LEG_END,
 		[PCI_EXP_TYPE_RC_END]      = HPX_TYPE_RC_END,