KudKernel r25
Changes over r24:
- Linux 3.18.116
- CAF LA.UM.6.6.r1-09200-89xx.0
- F2FS v4.18-rc1
- Synced rapid GC with F2FS v4.18-rc1.
- no-op as default I/O scheduler during boot, then switch to BFQ after it's completed.
- ft5435: Fixed unbalanced enable IRQ on screen wake up.
md5sum: d0b4f757e8dbc8782c13675429688ce0