powerpc/powernv: Print the M64 range information in bootup log

The M64 range information is missed in dmesg, which would be helpful in debug.

This patch prints the M64 range information in the same format as M32.
Signed-off-by: Wei Yang <weiyang@linux.vnet.ibm.com>
Reviewed-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

arch/powerpc/platforms/powernv/pci-ioda.c

@@ -357,6 +357,9 @@ static void __init pnv_ioda_parse_m64_window(struct pnv_phb *phb)
 	phb->ioda.m64_segsize = phb->ioda.m64_size / phb->ioda.total_pe;
 	phb->ioda.m64_base = pci_addr;
 
+	pr_info(" MEM64 0x%016llx..0x%016llx -> 0x%016llx\n",
+			res->start, res->end, pci_addr);
+
 	/* Use last M64 BAR to cover M64 window */
 	phb->ioda.m64_bar_idx = 15;
 	phb->init_m64 = pnv_ioda2_init_m64;