kern: fix carveout region calcs

kern: implement uart init + logging

kern: s/MemoryBlock/MemoryRegion/g

kern: implement more of KInterruptManager

kern: implement much of KScheduler, KHardwareTimer

libvapours: reorganize includes.hpp

libvapours: constexpr ALWAYS_INLINE T CombineBits

libvapour: forgot to add util_bitutil.hpp to util.hpp

libvapours: introduce BitsOf, Bits

libvapours: introduce BITL, MASK, MASKL, MASK2, MASK2L which were already present in other ams components

style cleanup

kern: add abstract scoped lock template

kern: implement KSchedulerLock

meso: use -fno-non-call-exceptions, -fno-use-cxa-atexit

kernel: use .rel.ro

util: remove spurious error in parent offset calc

kern: mostly implement KThread::Initialize

kern: add all kthread members

kern: implement KThreadContext

kern: implement KPriorityQueue

util: add BitSet

kern: implement KAffinityMask

kern: implement KThreadLocalPage

kern: implement KHandleTable, other cleanup

kern: fully implement slabheap init

kern: Skeleton KSynchronizationObject

kern: Implement KAutoObject, KSlabHeap, KLightLock

kern: optimize memory block tree lookups

kern: skeleton enough types to init KCoreLocalRegion in main()

meso: makefile improvements, sysreg accessors