ppc64: Renmove Pci_Large_Bus_System, nothing uses it

arch/ppc64/kernel/pSeries_pci.c

@@ -643,12 +643,6 @@ pci_find_hose_for_OF_device(struct device_node *node)
 void 
 pSeries_pcibios_init(void)
 {
-	PPCDBG(PPCDBG_PHBINIT, "\tppc64_pcibios_init Entry.\n"); 
-
-	if (get_property(find_path_device("/rtas"),"ibm,fw-phb-id",NULL) != NULL) {
-		PPCDBG(PPCDBG_PHBINIT, "\tFound: ibm,fw-phb-id\n"); 
-		Pci_Large_Bus_System = 1;
-	}
 }
 
 /*

arch/ppc64/kernel/pci.c

@@ -55,7 +55,6 @@ struct pci_controller* hose_head;
 struct pci_controller** hose_tail = &hose_head;
 
 int  global_phb_number    = 0;           /* Global phb counter    */
-int  Pci_Large_Bus_System = 0;
 struct pci_controller *phbtab[PCI_MAX_PHB];
 
 /* Cached ISA bridge dev. */

arch/ppc64/kernel/pci.h

@@ -50,11 +50,6 @@ void iSeries_pcibios_init_early(void);
 void pSeries_pcibios_init_early(void);
 void pSeries_pcibios_init(void);
 
-/*******************************************************************
- * Platform configuration flags.. (Live in pci.c)
- *******************************************************************/
-extern int  Pci_Large_Bus_System;      /* System has > 256 buses   */
-
 /*******************************************************************
  * Helper macros for extracting data from pci structures.  
  *   PCI_GET_PHB_PTR(struct pci_dev*)    returns the Phb pointer.