sama5d3_xplained: ACT8865: enable REG2 output 1.25v

Because from the default configuration,
the PLLA is 1056MHz, PCK is 528MHz and MCK is 133MHz, the VDDCore should be set to 1.25v.

Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
macb: sama5d4ek: sama5d3_xplained: change print the debug log via dbg_loud, instead of dbg_info

The debug informations should not appear in the normal release version.
The loud debug level is for these debug informations.

Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Config: improve the power management optionsfor more flexible

Can select the individual device to put into Power-Down mode.

Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
board: sama5d3_xplained: sama5d4ek: adjust code due to config item change

Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>