configs: T4240RDB: enable DM_I2C

This enable DM_I2C in T4240RDB defconfigs
Signed-off-by: NBiwen Li <biwen.li@nxp.com>
Reviewed-by: NPriyanka Jain <priyanka.jain@nxp.com>

configs/T4240RDB_SDCARD_defconfig

@@ -71,3 +71,4 @@ CONFIG_SPI=y
 CONFIG_FSL_ESPI=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
+CONFIG_DM_I2C=y

configs/T4240RDB_defconfig

@@ -59,3 +59,4 @@ CONFIG_SPI=y
 CONFIG_FSL_ESPI=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
+CONFIG_DM_I2C=y