linux-info: re-enable pkg_setup for kernel modules

Some kernel modules have been relying on exporting the kernel build
info here.  We can detect when the linux-mod eclass is active and let
the setup logic still run for those few cases.

BUG=chromium:1017295
TEST=building loonix kernel modules works again

Change-Id: I3dc65568bdb3266afd98bbe3050a3f8f99041622
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/eclass-overlay/+/1876631
Reviewed-by: Chris McDonald <cjmcdonald@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
1 file changed
tree: ce1ed66bc280ce1435bc131935c3da5d7c52aa34
  1. eclass/
  2. metadata/
  3. profiles/
  4. OWNERS
  5. PRESUBMIT.cfg