tegra: i2c: Enable I2C on Seaboard

This enables I2C on Seaboard.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Tom Warren <twarren@nvidia.com>

include/configs/seaboard.h

@@ -59,6 +59,14 @@
 #define CONFIG_CMD_SF
 #define CONFIG_SPI_FLASH_SIZE		(4 << 20)
 
+/* I2C */
+#define CONFIG_TEGRA_I2C
+#define CONFIG_SYS_I2C_INIT_BOARD
+#define CONFIG_I2C_MULTI_BUS
+#define CONFIG_SYS_MAX_I2C_BUS		4
+#define CONFIG_SYS_I2C_SPEED		100000
+#define CONFIG_CMD_I2C
+
 /* SD/MMC */
 #define CONFIG_MMC
 #define CONFIG_GENERIC_MMC