mmc: sh_mmcif: Add support rmobile

Renesas R-Mobile/R-Car ARM SoC of MMC has the same IP that are supported by
sh_mmcif. This adds support R-Mobile/R-Car ARM SoC with the setting of the
clock support.

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/drivers/mmc/sh_mmcif.c b/drivers/mmc/sh_mmcif.c
index 3a2022c..76ba93b 100644
--- a/drivers/mmc/sh_mmcif.c
+++ b/drivers/mmc/sh_mmcif.c
@@ -596,7 +596,7 @@
 	host->clk = CONFIG_SH_MMCIF_CLK;
 
 	sh_mmcif_cfg.f_min = MMC_CLK_DIV_MIN(host->clk);
-	sh_mmcif_cfg.f_max = MMC_CLK_DIV_MAX;
+	sh_mmcif_cfg.f_max = MMC_CLK_DIV_MAX(host->clk);
 
 	mmc = mmc_create(&sh_mmcif_cfg, host);
 	if (mmc == NULL) {