Add a gitlab-ci.yml

Signed-off-by: Angus Ainslie (Purism) <angus@akkea.ca>
1 job for librem5 in 15 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
failed #163589
librem5
job

00:00:15

 
Name Stage Failure
failed
job Test
Get:3 http://security-cdn.debian.org/debian-security buster/updates/main amd64 Packages [95.7 kB]
Get:4 http://cdn-fastly.deb.debian.org/debian buster-updates InRelease [49.3 kB]
Get:5 http://cdn-fastly.deb.debian.org/debian buster/main amd64 Packages [7899 kB]
Get:6 http://cdn-fastly.deb.debian.org/debian buster-updates/main amd64 Packages [5792 B]
Fetched 8210 kB in 2s (5231 kB/s)
Reading package lists...
$ make PLAT=imx8mq CROSS_COMPILE=aarch64-linux-gnu- bl31
/bin/bash: line 74: make: command not found
ERROR: Job failed: exit code 1