powerpc/eeh: Delete eeh_pe->config_addr

The eeh_pe->config_addr field was supposed to be removed in
commit 35d64734 ("powerpc/eeh: Clean up PE addressing") which made it
largely unused. Finish the job.
Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20201007040903.819081-1-oohall@gmail.com

arch/powerpc/include/asm/eeh.h

@@ -73,7 +73,6 @@ struct pci_dn;
 struct eeh_pe {
 	int type;			/* PE type: PHB/Bus/Device	*/
 	int state;			/* PE EEH dependent mode	*/
-	int config_addr;		/* Traditional PCI address	*/
 	int addr;			/* PE configuration address	*/
 	struct pci_controller *phb;	/* Associated PHB		*/
 	struct pci_bus *bus;		/* Top PCI bus for bus PE	*/

arch/powerpc/kernel/eeh.c

@@ -466,7 +466,7 @@ int eeh_dev_check_failure(struct eeh_dev *edev)
 		return 0;
 	}
 
-	if (!pe->addr && !pe->config_addr) {
+	if (!pe->addr) {
 		eeh_stats.no_cfg_addr++;
 		return 0;
 	}

arch/powerpc/kernel/eeh_pe.c

@@ -354,8 +354,8 @@ int eeh_pe_tree_insert(struct eeh_dev *edev, struct eeh_pe *new_pe_parent)
 		pr_err("%s: out of memory!\n", __func__);
 		return -ENOMEM;
 	}
-	pe->addr	= edev->pe_config_addr;
-	pe->config_addr	= edev->bdfn;
+
+	pe->addr = edev->pe_config_addr;
 
 	/*
 	 * Put the new EEH PE into hierarchy tree. If the parent