If multiple devices are behind a dev, we would only recognise port 0. We
need to scan the complete 'bus'.
Tested on ASpeed AST2500
Change-Id: Id80a2ae6e82c151b8d8adc9c5f35f38362d538fa
Signed-off-by: Christian Walter <christian.walter@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37607
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
199f98bc43