Excalibur Kernel | Kunkka

• Merged latest linux upstream v4.4.273

• Merged latest wireguard v1.0.20210606

• Merged tag 'LA.UM.8.2.c25-02000-sdm660.0'

• Compiler: Dragon TC Clang

• Increase charging speed ( Thanks to @psndna881 )

• Fix brightness issue

• msm: kgsl: Reduce latency while processing ioctls

• msm: mdss: Reduce latency while processing atomic ioctls

Note:

• 66HZ was dropped. Because there is no significant change.