arm/km: enable mii cmd

This is useful to debug the switch initialization

Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>
Signed-off-by: Holger Brunck <holger.brunck@keymile.com>
cc: Gerlando Falauto <gerlando.falauto@keymile.com>
cc: Prafulla Wadaskar <prafulla@marvell.com>

include/configs/km/km_arm.h

@@ -159,6 +159,7 @@
  */
 #define CONFIG_NETCONSOLE	/* include NetConsole support   */
 #define CONFIG_MII		/* expose smi ove miiphy interface */
+#define CONFIG_CMD_MII		/* to debug mdio phy config */
 #define CONFIG_MVGBE		/* Enable Marvell Gbe Controller Driver */
 #define CONFIG_SYS_FAULT_ECHO_LINK_DOWN	/* detect link using phy */
 #define CONFIG_MVGBE_PORTS	{1, 0}	/* enable port 0 only */