To be able to make EHL Ethernet GbE-TSN Controller configurable, a driver is required. Functionality comes in following patches. Change-Id: I7522914c56b74486bb088280d2686acf7027d1d3 Signed-off-by: Mario Scheithauer <mario.scheithauer@siemens.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/63861 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Werner Zeh <werner.zeh@siemens.com>