ide: remove hw_regs_t typedef

Remove hw_regs_t typedef and rename struct hw_regs_s to struct ide_hw.

There should be no functional changes caused by this patch.

Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

drivers/ide/ide-4drives.c

@@ -31,7 +31,7 @@ static const struct ide_port_info ide_4drives_port_info = {
 static int __init ide_4drives_init(void)
 {
 	unsigned long base = 0x1f0, ctl = 0x3f6;
-	hw_regs_t hw, *hws[] = { &hw, &hw };
+	struct ide_hw hw, *hws[] = { &hw, &hw };
 
 	if (probe_4drives == 0)
 		return -ENODEV;