sh: Set CONFIG_SH_ETHER_PHY_MODE and CONFIG_SH_ETHER_SH7734_MII to boards with sh_eth

The board with sh_eth needs to set CONFIG_SH_ETHER_PHY_MODE.
And SH7734 needs to set value of CONFIG_SH_ETHER_SH7734_MII.

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/include/configs/r0p7734.h b/include/configs/r0p7734.h
index aa3193d..f143c3b 100644
--- a/include/configs/r0p7734.h
+++ b/include/configs/r0p7734.h
@@ -62,6 +62,8 @@
 #define CONFIG_PHY_SMSC 1
 #define CONFIG_BITBANGMII
 #define CONFIG_BITBANGMII_MULTI
+#define CONFIG_SH_ETHER_SH7734_MII (0x00) /* MII */
+#define CONFIG_SH_ETHER_PHY_MODE PHY_INTERFACE_MODE_MII
 #ifndef CONFIG_SH_ETHER
 # define CONFIG_SMC911X
 # define CONFIG_SMC911X_16_BIT