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/au1xxx-ide.c b/drivers/ide/au1xxx-ide.c
index 32f5be6..58121bd 100644
--- a/drivers/ide/au1xxx-ide.c
+++ b/drivers/ide/au1xxx-ide.c
@@ -449,7 +449,7 @@
 }
 #endif
 
-static void auide_setup_ports(hw_regs_t *hw, _auide_hwif *ahwif)
+static void auide_setup_ports(struct ide_hw *hw, _auide_hwif *ahwif)
 {
 	int i;
 	unsigned long *ata_regs = hw->io_ports_array;
@@ -508,7 +508,7 @@
 	struct resource *res;
 	struct ide_host *host;
 	int ret = 0;
-	hw_regs_t hw, *hws[] = { &hw };
+	struct ide_hw hw, *hws[] = { &hw };
 
 #if defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA)
 	char *mode = "MWDMA2";