exynos: Enable new features for exynos5 boards

Enable PMICs, regulators and the like so that new drivers will be made
available.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/configs/smdk5250_defconfig b/configs/smdk5250_defconfig
index 8412d6f..b061e47 100644
--- a/configs/smdk5250_defconfig
+++ b/configs/smdk5250_defconfig
@@ -14,3 +14,13 @@
 CONFIG_SOUND_WM8994=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
+CONFIG_DM_I2C=y
+CONFIG_DM_I2C_COMPAT=y
+CONFIG_DM_PMIC=y
+CONFIG_DM_REGULATOR=y
+CONFIG_CMD_PMIC=y
+CONFIG_CMD_REGULATOR=y
+CONFIG_ERRNO_STR=y
+CONFIG_DM_PMIC_MAX77686=y
+CONFIG_DM_REGULATOR_MAX77686=y
+CONFIG_VIDEO_BRIDGE=y