util/docker: Replace all variables in Dockerfile

When updating the variables in the dockerfile, if there were two or more
variables on a line, only the first would be updated.  This fixes that
issue.

Change-Id: I011ccb299c7c8527b79d234075cab18be998ab43
Signed-off-by: Martin Roth <gaumless@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47339
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Frans Hendriks <fhendriks@eltan.com>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

0 files changed, 0 insertions, 0 deletions