cm-t35: add I2C multi-bus support

Enable I2C multi-bus support and config I2C muxes for I2C2 and I2C3.

Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
diff --git a/include/configs/cm_t35.h b/include/configs/cm_t35.h
index fe91c10..b28bd8e 100644
--- a/include/configs/cm_t35.h
+++ b/include/configs/cm_t35.h
@@ -156,6 +156,7 @@
 #define CONFIG_DRIVER_OMAP34XX_I2C
 #define CONFIG_SYS_I2C_EEPROM_ADDR	0x50
 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	1
+#define CONFIG_I2C_MULTI_BUS
 
 /*
  * TWL4030