PCI: rpaphp: Rename rpaphp_register_pci_slot() to rpaphp_enable_slot()

Rename rpaphp_register_pci_slot() because its easy to confuse
with  rpaphp_register_slot() even though it does something 
completely different. Rename it to rpaphp_enable_slot() because
its almost identical to enbale_slot().

Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Cc: John Rose <johnrose@austin.ibm.com>
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/pci/hotplug/rpaphp_core.c b/drivers/pci/hotplug/rpaphp_core.c
index d8e5f9fd..75113d9 100644
--- a/drivers/pci/hotplug/rpaphp_core.c
+++ b/drivers/pci/hotplug/rpaphp_core.c
@@ -318,7 +318,7 @@
 		dbg("Found drc-index:0x%x drc-name:%s drc-type:%s\n",
 				indexes[i + 1], name, type);
 
-		retval = rpaphp_register_pci_slot(slot);
+		retval = rpaphp_enable_slot(slot);
 		if (!retval)
 			retval = rpaphp_register_slot(slot);