Use DIST_DIR as the OUT_DIR when set

The CI system (pKVM/Busytown) provides a DIST_DIR for each build
to store its compilation artifacts. Use that as the OUT_DIR when
set.

https://critique-ng.corp.google.com/cl/326740710

Bug: 157107453

Signed-off-by: Fuad Tabba <tabba@google.com>
Change-Id: I7f1ca1a324f9368cd9fa89fde45870e8c86a6b25
1 file changed
tree: dad16b65e3b6af1105e848335efb5e7eb679344f
  1. Makefile
  2. aarch64/
  3. common.inc
  4. kvm-unit-tests/