sh: add calling mmc_initialize in board.c

Some SH have MMC controller. So, if we need it, we have to call
the mmc_initialize().

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>

arch/sh/lib/board.c

@@ -107,6 +107,15 @@ static int sh_net_init(void)
 }
 #endif
 
+#if defined(CONFIG_CMD_MMC)
+static int sh_mmc_init(void)
+{
+	puts("MMC:   ");
+	mmc_initialize(gd->bd);
+	return 0;
+}
+#endif
+
 typedef int (init_fnc_t) (void);
 
 init_fnc_t *init_sequence[] =
@@ -138,6 +147,9 @@ init_fnc_t *init_sequence[] =
 #if defined(CONFIG_CMD_NET)
 	sh_net_init,		/* SH specific eth init */
 #endif
+#if defined(CONFIG_CMD_MMC)
+	sh_mmc_init,
+#endif
 	NULL			/* Terminate this list */
 };