PCI: Add "PCIe" to pcie_print_link_status() messages

Currently the pcie_print_link_status() will print PCIe bandwidth and link
width information but does not mention it is pertaining to the PCIe.  Since
this and related functions are used exclusively by networking drivers today
users may get confused into thinking that it's the NIC bandwidth that is
being talked about.  Insert a "PCIe" into the messages.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

drivers/pci/pci.c

@@ -5273,11 +5273,11 @@ void pcie_print_link_status(struct pci_dev *dev)
 	bw_avail = pcie_bandwidth_available(dev, &limiting_dev, &speed, &width);
 
 	if (bw_avail >= bw_cap)
-		pci_info(dev, "%u.%03u Gb/s available bandwidth (%s x%d link)\n",
+		pci_info(dev, "%u.%03u Gb/s available PCIe bandwidth (%s x%d link)\n",
 			 bw_cap / 1000, bw_cap % 1000,
 			 PCIE_SPEED2STR(speed_cap), width_cap);
 	else
-		pci_info(dev, "%u.%03u Gb/s available bandwidth, limited by %s x%d link at %s (capable of %u.%03u Gb/s with %s x%d link)\n",
+		pci_info(dev, "%u.%03u Gb/s available PCIe bandwidth, limited by %s x%d link at %s (capable of %u.%03u Gb/s with %s x%d link)\n",
 			 bw_avail / 1000, bw_avail % 1000,
 			 PCIE_SPEED2STR(speed), width,
 			 limiting_dev ? pci_name(limiting_dev) : "<unknown>",