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>

diff --git a/drivers/ide/legacy/gayle.c b/drivers/ide/legacy/gayle.c
index dcfadbb..0830a02 100644
--- a/drivers/ide/legacy/gayle.c
+++ b/drivers/ide/legacy/gayle.c
@@ -165,7 +165,7 @@
 //			&gayle_iops,
 			IRQ_AMIGA_PORTS);
 
-	index = ide_register_hw(&hw, &hwif);
+	index = ide_register_hw(&hw, 1, &hwif);
 	if (index != -1) {
 	    hwif->mmio = 1;
 	    switch (i) {