Panda Kernel r39 Release

Changelog:

defconfig: Add BPF support (FIX UPLOAD 0) xD
defconfig: Enable CNSS_GENL
defconfig: log buffer: use 128 KB from 1 MB
trace: explicitly remove trace_printk allocation
fs: Align file struct to 8 bytes
netfilter: Fixed null pointer dereference
Add Support Docker
defconfig: Enable Netfilter CT/HL/NOTRACK rules
arm64: arch_timer: Save cntkctl_el1 as a per-cpu variable
f2fs: Add support for reporting a fake kernel version to fsck
scsi: ufs: disable clock scaling
scsi: ufs: Move ufs_qcom_probe to async probe
power: reset: msm-poweroff: lower printk prio for DLOAD,EDLOAD DT props
gen_headers: add missing headers
Revert "headers_lib: rename Android.bp"
defconfig: Disable kallsyms to reduce kernel size
cpuidle: lpm-levels: Remove idle prediction feature
Revert "cpuidle: lpm-levels: Track and predict next rescheduling ipi"
Revert "cpuidle: lpm-levels: Enable ipi prediction"
PM: sleep: Don't allow s2idle to be used
Revert "suspend: Use s2idle by default over deep"
Revert "cpuidle: lpm_levels: add soft watchdog for s2idle"
drivers: mmc: core: sdio_cis.c: Fix strlcpy usage
arm_arch_timer: Expose event stream status
lib/sort: make swap functions more generic
iommu: arm-smmu: add option to skip AARCH64 context format probe
msm: ipa: Avoid overusing BUG()

Enjoy!