Delta Kernel 1.0

Based on CAF tag LA.UM.9.1.r1-09600-SMxxx0.0
Upstreamed to 4.14.235
Built 32bit vdso
Affine important kthreads and IRQs to performance CPUs
Added devfreq boost
Scheduler changes from sunfish
Added DC dimming and kcal
Added seed random number generator
Use power efficient workqueues
Upstreamed lz4 to v1.8.3
Added f2fs rapid gc
Added dynamic schedtune boost
Used cgroups v2
Inlined RCU with k5.4
Misc other improvements

NOTE: _MIUI version is for roms with prebuilt display stack.