kernel-doc: fix pci-acpi warning

Fix PCI kernel-doc warning:
Warning(linux-2.6.24-git12//drivers/pci/pci-acpi.c:166): No description found for parameter 'hid'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Len Brown <len.brown@intel.com>

drivers/pci/pci-acpi.c

@@ -158,6 +158,7 @@ run_osc_out:
 /**
  * __pci_osc_support_set - register OS support to Firmware
  * @flags: OS support bits
+ * @hid: hardware ID
  *
  * Update OS support fields and doing a _OSC Query to obtain an update
  * from Firmware on supported control bits.