uboot-imx

odroid: dts: cleanup of MAX77686 regulators

This commit cleanup MAX77686 regulator node by:
- remove the sub-nodes of unconnected regulators
- remove the "regulator-compatible" properties of all regulators

This prevents printing init errors for the regulators,
with duplicated name strings.

Signed-off-by: Przemyslaw Marczak <p.marczak@samsung.com>
Cc: Minkyu Kang <mk7.kang@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>