sh: ecovec24: Remove mmcif .down_pwr() callback

The callback isn't used by the mmcif driver, don't initialize it in
board code.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index a1557ec..5af40f5 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -980,11 +980,6 @@
 
 #if defined(CONFIG_MMC_SH_MMCIF) || defined(CONFIG_MMC_SH_MMCIF_MODULE)
 /* SH_MMCIF */
-static void mmcif_down_pwr(struct platform_device *pdev)
-{
-	cn12_set_pwr(pdev, 0);
-}
-
 static struct resource sh_mmcif_resources[] = {
 	[0] = {
 		.name	= "SH_MMCIF",
@@ -1006,7 +1001,6 @@
 
 static struct sh_mmcif_plat_data sh_mmcif_plat = {
 	.set_pwr	= cn12_set_pwr,
-	.down_pwr	= mmcif_down_pwr,
 	.sup_pclk	= 0, /* SH7724: Max Pclk/2 */
 	.caps		= MMC_CAP_4_BIT_DATA |
 			  MMC_CAP_8_BIT_DATA |