configs: odroid-xu3: remove the CONFIG_I2C_COMPAT

Remove the CONFIG_I2C_COMPAT, instead enable the CONFIG_SYS_I2C_S3C24X0.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
diff --git a/configs/odroid-xu3_defconfig b/configs/odroid-xu3_defconfig
index fed24ec..d040af3 100644
--- a/configs/odroid-xu3_defconfig
+++ b/configs/odroid-xu3_defconfig
@@ -25,7 +25,7 @@
 CONFIG_ADC=y
 CONFIG_ADC_EXYNOS=y
 CONFIG_DFU_MMC=y
-CONFIG_DM_I2C_COMPAT=y
+CONFIG_SYS_I2C_S3C24X0=y
 CONFIG_MMC_DW=y
 CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_S5P=y