Add entry for 5.15 kernel back to manifest

Kernel 5.15 is still used by EdgeOS, and needs to remain in the
manifest.

BUG=b/408948247
TEST=repo sync --manifest-name=$HOME/cos/manifest/external_full.xml
RELEASE_NOTE=None

Change-Id: I51180b5907f7833889ed2d7c83fb71885b828395
Reviewed-on: https://cos-review.googlesource.com/c/cos/manifest/+/98567
Reviewed-by: Kirill Spitsyn <ksp@google.com>
Reviewed-by: Michael Kochera <kochera@google.com>
Tested-by: Kevin Berry <kpberry@google.com>
Reviewed-by: Vineet Bharot <vineetbharot@google.com>
Reviewed-by: Scott Haiden <scotthaiden@google.com>
1 file changed
tree: efa6a70fb530575dc0a5799834673864a3cd87f3
  1. external_full.xml
  2. LICENSE
  3. PRESUBMIT.cfg
  4. README.md
README.md

Manifests used to checkout COS source

Usage: repo init -u https://cos.googlesource.com/cos/manifest.git && repo sync.