tegra: i2c: Enable new CONFIG_SYS_I2C framework

This enables CONFIG_SYS_I2C on Tegra, updating existing boards and the Tegra
i2c driver to support this.

Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Heiko Schocher <hs@denx.de>
diff --git a/include/configs/seaboard.h b/include/configs/seaboard.h
index f0da1fc..4048b6e 100644
--- a/include/configs/seaboard.h
+++ b/include/configs/seaboard.h
@@ -57,12 +57,11 @@
 #define CONFIG_BOARD_LATE_INIT		/* Make sure LCD init is complete */
 
 /* I2C */
-#define CONFIG_TEGRA_I2C
+#define CONFIG_SYS_I2C_TEGRA
 #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
+#define CONFIG_SYS_I2C
 
 /* SD/MMC */
 #define CONFIG_MMC