Fix pin definitions for K26 and use Fast GPIO access.
Fix pin definitions for K26 and use Fast GPIO access.

kcouck/FastLED,FastLED/FastLED,PaulStoffregen/FastLED,NicoHood/FastLED,tullo-x86/FastLED,FastLED/FastLED,FastLED/FastLED,felixLam/FastLED,remspoor/FastLED,wilhelmryan/FastLED,remspoor/FastLED,tullo-x86/FastLED,corbinstreehouse/FastLED,wilhelmryan/FastLED,neographophobic/FastLED,PaulStoffregen/FastLED,corbinstreehouse/FastLED,eshkrab/FastLED-esp32,felixLam/FastLED,PaulStoffregen/FastLED,NicoHood/FastLED,eshkrab/FastLED-esp32,neographophobic/FastLED,kcouck/FastLED,FastLED/FastLED