Add basic support for pcb8385 [1]. It is a modular board which allows to add different daughter cards on which there are different PHYs. This adds support for UART, LEDs and I2C. [1] https://www.microchip.com/en-us/development-tool/ev83e85a Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com> Link: https://lore.kernel.org/r/20251208083545.3642168-3-horatiu.vultur@microchip.com Signed-off-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>