exynos: dts: Add PMIC and regulator definitions

Snow and smdk5250 use a max77686 PMIC. We have a driver for this, so add
the relevant node to the device tree so it can be used.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Przemyslaw Marczak <p.marczak@samsung.com>
2 files changed