Add support for MPS mp5920 controller Signed-off-by: Alex Vdovydchenko <xzeol@yahoo.com> Acked-by: Conor Dooley <conor.dooley@microchip.com> Link: https://lore.kernel.org/r/20240702115252.981416-2-xzeol@yahoo.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>