board: adi: Add support for SC589 boards

board: adi: Add support for SC589 boards

This adds support for the Analog Devices SC589-EZKIT and SC589-mini.

Signed-off-by: Vasileios Bimpikas <vasileios.bimpikas@analog.com>
Signed-off-by: Utsav Agarwal <utsav.agarwal@analog.com>
Signed-off-by: Arturs Artamonovs <arturs.artamonovs@analog.com>
Signed-off-by: Nathan Barrett-Morrison <nathan.morrison@timesys.com>
Signed-off-by: Caleb Ethridge <caleb.ethridge@analog.com>
Signed-off-by: Philip Molloy <philip.molloy@analog.com>
Signed-off-by: Greg Malysa <malysagreg@gmail.com>