imx8mp_evk: Convert to DM_PMIC

Currently, the imx8mp_evk uses the non-DM code to initialize the PMIC.

Convert to DM_PMIC, which is the recommended way to access the PMIC.

While at it, fix multi-line comments style.

Signed-off-by: Fabio Estevam <festevam@denx.de>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
3 files changed