parisc: Use vsprintf extention %pf with builtin_return_address

Emit the function name not the address when possible.

builtin_return_address() gives an address.  When building
a kernel with CONFIG_KALLSYMS, emit the actual function
name not the address.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

drivers/parisc/superio.c

@@ -348,7 +348,7 @@ int superio_fixup_irq(struct pci_dev *pcidev)
 		BUG();
 		return -1;
 	}
-	printk("superio_fixup_irq(%s) ven 0x%x dev 0x%x from %p\n",
+	printk("superio_fixup_irq(%s) ven 0x%x dev 0x%x from %pf\n",
 		pci_name(pcidev),
 		pcidev->vendor, pcidev->device,
 		__builtin_return_address(0));