ARM: shmobile: kzm9g: enable DMAEngine on FSI

It is possible to reduce CPU load if FSI playback used DMAEngine.
This patch enabled it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
diff --git a/arch/arm/mach-shmobile/board-kzm9g.c b/arch/arm/mach-shmobile/board-kzm9g.c
index b056b7a..212c524 100644
--- a/arch/arm/mach-shmobile/board-kzm9g.c
+++ b/arch/arm/mach-shmobile/board-kzm9g.c
@@ -470,6 +470,7 @@
 /* FSI-AK4648 */
 static struct sh_fsi_platform_info fsi_info = {
 	.port_a = {
+		.tx_id = SHDMA_SLAVE_FSI2A_TX,
 	},
 };