Update install script to avoid building a docker image and instead pull;
also add proper caching for re-runs.
Signed-off-by: Fabio Utzig <fabio.utzig@nordicsemi.no>
Build MCUBoot with TF-M build system for AN521 platform, and run it in
QEMU. The result of the test run is not evaluated yet.
Change-Id: I5fbfef8e6d8dec99a8e3e00d659a07ccfcaf0b5b
Signed-off-by: Mate Toth-Pal <mate.toth-pal@arm.com>