[meta-lts-mixins][wrynose/linux-firmware][PATCH 0/3] layer: make it Yocto Project compliant

Fix several issues. With these patches applied:

lumag@umbar:~/Projects/Qcomm/kas/wrynose/build$ yocto-check-layer ../meta-lts-mixins/
INFO: Detected layers:
INFO: meta-lts-mixins: LayerType.SOFTWARE, /home/lumag/Projects/Qcomm/kas/wrynose/meta-lts-mixins
INFO:
INFO: Setting up for meta-lts-mixins(LayerType.SOFTWARE), /home/lumag/Projects/Qcomm/kas/wrynose/meta-lts-mixins
INFO: Getting initial bitbake variables ...
INFO: Getting initial signatures ...
INFO: Adding layer meta-lts-mixins
INFO: Starting to analyze: meta-lts-mixins
INFO: Distro: nodistro
INFO: ----------------------------------------------------------------------
INFO: setUpClass (bsp.BSPCheckLayer)
INFO:  ... skipped "BSPCheckLayer: Layer meta-lts-mixins isn't BSP one."
INFO: test_layerseries_compat (common.CommonCheckLayer.test_layerseries_compat)
INFO:  ... ok
INFO: test_parse (common.CommonCheckLayer.test_parse)
INFO:  ... ok
INFO: test_patches_upstream_status (common.CommonCheckLayer.test_patches_upstream_status)
INFO:  ... ok
INFO: test_readme (common.CommonCheckLayer.test_readme)
INFO:  ... ok
INFO: test_security (common.CommonCheckLayer.test_security)
INFO:  ... ok
INFO: test_show_environment (common.CommonCheckLayer.test_show_environment)
INFO:  ... ok
INFO: test_signatures (common.CommonCheckLayer.test_signatures)
INFO:  ... ok
INFO: test_world (common.CommonCheckLayer.test_world)
INFO:  ... ok
INFO: test_world_inherit_class (common.CommonCheckLayer.test_world_inherit_class)
INFO:  ... ok
INFO: setUpClass (distro.DistroCheckLayer)
INFO:  ... skipped "DistroCheckLayer: Layer meta-lts-mixins isn't Distro one."
INFO: ----------------------------------------------------------------------
INFO: Ran 9 tests in 135.726s
INFO: OK
INFO:  (skipped=2)
INFO:
INFO: Summary of results:
INFO:
INFO: meta-lts-mixins ... PASS

Signed-off-by: Dmitry Baryshkov <[email protected]>
---
Dmitry Baryshkov (3):
      layer.conf: use the same priority as OE-Core
      linux-firmware: set DEFAULT_PREFERENCE to "-1"
      SECURITY.md: describe security policy and pointers

 SECURITY.md                                        | 23 ++++++++++++++++++++++
 conf/layer.conf                                    |  3 ++-
 .../linux-firmware/linux-firmware_20260519.bb      |  3 +++
 3 files changed, 28 insertions(+), 1 deletion(-)
---
base-commit: 348a9eaaf3991e2329d0cef14dce23fabaef9191
change-id: 20260617-fix-check-layers-60e6bae2d6fb

Best regards,
--  
With best wishes
Dmitry