Update kernel to builds 7878140 am: f059da1e91 am: 902d57b4ad am: 548bcac8e3

Original change: https://android-review.googlesource.com/c/kernel/prebuilts/5.10/x86-64/+/1878201

Change-Id: If2766f73e5ca3f36ecd4c45a8ac7f2afe493d69c