arm: mvebu: theadorable: Enable 2nd I2C controller

This patch enables the 2nd I2C controller on the Armada XP theadorable
board.

Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/include/configs/theadorable.h b/include/configs/theadorable.h
index 20a44c9..05a248e 100644
--- a/include/configs/theadorable.h
+++ b/include/configs/theadorable.h
@@ -51,6 +51,7 @@
 #define CONFIG_SYS_I2C
 #define CONFIG_SYS_I2C_MVTWSI
 #define CONFIG_I2C_MVTWSI_BASE0		MVEBU_TWSI_BASE
+#define CONFIG_I2C_MVTWSI_BASE1		MVEBU_TWSI1_BASE
 #define CONFIG_SYS_I2C_SLAVE		0x0
 #define CONFIG_SYS_I2C_SPEED		100000