android-5.15: Add android13-5.15 GKI kernel for db845c and RB5 am: f31141caf1 am: 74e008562b

Original change: https://android-review.googlesource.com/c/device/linaro/dragonboard-kernel/+/1979406

Change-Id: I1ad06f52cf282053de0ea8b91e18fb9d3268816f
tree: 1db8de84ffe11a77039e456ad2968676f0530887
  1. android-5.10/
  2. android-5.15/
  3. android-5.4/
  4. android-mainline/