PCI: Fix pci.c kernel-doc parameter warning

Fix kernel-doc warning:

  ../drivers/pci/pci.c:218: warning: Excess function parameter 'p' description in 'pci_dev_str_match_path'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

drivers/pci/pci.c

@@ -196,7 +196,7 @@ EXPORT_SYMBOL_GPL(pci_ioremap_wc_bar);
 /**
  * pci_dev_str_match_path - test if a path string matches a device
  * @dev:    the PCI device to test
- * @p:      string to match the device against
+ * @path:   string to match the device against
  * @endptr: pointer to the string after the match
  *
  * Test if a string (typically from a kernel parameter) formatted as a