ide: move IRQ unmasking out from ->tf_load method

Move IRQ unmasking out from ->tf_load method to its users.

There should be no functional changes caused by this patch
(SELECT_MASK() is NOP except for hpt366, icside and sgiioc4).

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index 9f9916f..491980a 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -95,7 +95,7 @@
 	hwif->OUTB(drive->select.all, hwif->io_ports.device_addr);
 }
 
-static void SELECT_MASK(ide_drive_t *drive, int mask)
+void SELECT_MASK(ide_drive_t *drive, int mask)
 {
 	const struct ide_port_ops *port_ops = drive->hwif->port_ops;
 
@@ -120,9 +120,6 @@
 	if (task->tf_flags & IDE_TFLAG_FLAGGED)
 		HIHI = 0xFF;
 
-	ide_set_irq(drive, 1);
-	SELECT_MASK(drive, 0);
-
 	if (task->tf_flags & IDE_TFLAG_OUT_DATA) {
 		u16 data = (tf->hob_data << 8) | tf->data;