ide: add "initializing" argument to ide_register_hw()

Add "initializing" argument to ide_register_hw() and use it instead of ide.c
wide variable of the same name.  Update all users of ide_register_hw()
accordingly.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

drivers/ide/legacy/buddha.c

@@ -213,7 +213,7 @@ fail_base2:
 						IRQ_AMIGA_PORTS);
 			}	
 			
-			index = ide_register_hw(&hw, &hwif);
+			index = ide_register_hw(&hw, 1, &hwif);
 			if (index != -1) {
 				hwif->mmio = 1;
 				printk("ide%d: ", index);