arm: rmobile: gose: Add support SDHI

Gose board has three SDHI port.
This adds GPIO configuration and initialization function of SDHI, and
enables MMC command.

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/include/configs/gose.h b/include/configs/gose.h
index 808a8b0..0dc28c7 100644
--- a/include/configs/gose.h
+++ b/include/configs/gose.h
@@ -98,4 +98,10 @@
 /* SCIF0 */
 #define CONFIG_SMSTP7_ENA	0x00200000
 
+/* SDHI */
+#define CONFIG_MMC
+#define CONFIG_CMD_MMC
+#define CONFIG_GENERIC_MMC
+#define CONFIG_SH_SDHI_FREQ		97500000
+
 #endif	/* __GOSE_H */