Add registers required to configure serdeses and CMUs for initial power
down.
Signed-off-by: Daniel Machon <daniel.machon@microchip.com>
Link: https://lore.kernel.org/r/20230417180335.2787494-2-daniel.machon@microchip.comSigned-off-by: Vinod Koul <vkoul@kernel.org>