suen3: remove CONFIG_HARD_I2C and related defines

These are not used on this board, which uses soft I2C instead.
Signed-off-by: NAlbert Aribaud <albert.aribaud@free.fr>
Acked-by: Prafulla Wadaskar<prafulla@marvell.com>
Acked-by: Heiko Schocher<hs@denx.de>

include/configs/km_arm.h

@@ -142,16 +142,8 @@
 /*
  * I2C related stuff
  */
-#undef	CONFIG_HARD_I2C		/* I2C with hardware support */
 #define	CONFIG_SOFT_I2C		/* I2C bit-banged	*/
 
-#if defined(CONFIG_HARD_I2C)
-#define	CONFIG_I2C_KIRKWOOD
-#define	CONFIG_I2C_KW_REG_BASE		KW_TWSI_BASE
-#define	CONFIG_SYS_I2C_SLAVE		0x0
-#define	CONFIG_SYS_I2C_SPEED		100000
-#endif
-
 #define	CONFIG_KIRKWOOD_GPIO		/* Enable GPIO Support */
 #if defined(CONFIG_SOFT_I2C)
 #ifndef __ASSEMBLY__