Add a Dockerfile for Alpine to build-test with musl-libc.
Change-Id: If90412146acc94f01a89cd681539aad48e92dd2e
Signed-off-by: Felix Singer <felixsinger@posteo.net>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75049
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Jan Samek <jan.samek@siemens.com>
Felix Singer