overlays: Add rs485 support to uart[0-4]-pi5#7246

pelwell merged 2 commits intoraspberrypi:rpi-6.12.yraspberrypi/linux:rpi-6.12.yfrom

sfera-labs:pi5-uarts-rs485sfera-labs/rpi-linux:pi5-uarts-rs485Copy head branch name to clipboard