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>
diff --git a/drivers/ide/tx4939ide.c b/drivers/ide/tx4939ide.c
index fa57920..9f73fd4 100644
--- a/drivers/ide/tx4939ide.c
+++ b/drivers/ide/tx4939ide.c
@@ -537,7 +537,7 @@
 
 static int __init tx4939ide_probe(struct platform_device *pdev)
 {
-	hw_regs_t hw, *hws[] = { &hw };
+	struct ide_hw hw, *hws[] = { &hw };
 	struct ide_host *host;
 	struct resource *res;
 	int irq, ret;