The test for the docker cache directory was used by two different targets, so turn it into its own target. Add missing $ for whoami commands. Signed-off-by: Martin Roth <gaumless@gmail.com> Change-Id: Ic5e1d28110097eb502959e81bafe77faa0fc7fae Reviewed-on: https://review.coreboot.org/c/coreboot/+/76707 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de>