drm_hwcomposer: CI: Replace shell scripts with Makefile

This won't make much benefits for CI, but for local native builds will
significantly speed-up build cycle by allowing parallel build and by
using dependency tracking logic.

Signed-off-by: Roman Stratiienko <roman.o.stratiienko@globallogic.com>
2 jobs for ci-tidy-up in 7 minutes and 4 seconds (queued for 13 seconds)