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-taskfile.c b/drivers/ide/ide-taskfile.c
index b6a1c4b..6a17ab5 100644
--- a/drivers/ide/ide-taskfile.c
+++ b/drivers/ide/ide-taskfile.c
@@ -109,6 +109,8 @@
 
 	if ((task->tf_flags & IDE_TFLAG_DMA_PIO_FALLBACK) == 0) {
 		ide_tf_dump(drive->name, tf);
+		ide_set_irq(drive, 1);
+		SELECT_MASK(drive, 0);
 		hwif->tf_load(drive, task);
 	}