Add RAM and RAMC PHY controllers. These are necessary for platform
specific power management code.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20210823131915.23857-3-claudiu.beznea@microchip.com