kern: update set/way cache operations for new semantics

kern: if a page table region is zero-size, nothing overlaps it

kern: use KScopedLightLockPair helper for page table pair-locks

kern: track mapped ipc server memory in page table

kern: add KPageTableBase::Read/WriteDebugIoMemory

kern: flush memory before reading in KPageTableBase::ReadDebugMemory

kern: update KMemoryBlockManagerUpdaterAllocator for new ctor/init semantics

kern: swap tpidr_el1/cntv_cval_el0 as scratch vs exception stack

kern: support immortal processes

kern: update process/thread for new running/termination semantics

kern: unconditionally set thread state when appropriate

kern: update kernel waiter management rules

kern: update KInterruptEvent to store core id

kern: update pinned thread priority rules

kern: add new checks to SetThreadPriority/CoreMask

kern: update KInitialPageTable/KInitialPageAllocator

kern: KLinkedList no longer exists

svc: sanitize booleans in autogenerated abi stubs

kern: bump svc limit to 192 from 128

exo: add new dram ID

ncm: fix GameCardStorageRoot mount point (closes #1404)

ncm: Updated ListContentId for 11.0.0

ams: convert to util::ConstructAt where appropriate

ams: prefer construct_at/destroy_at over placement new/explicit destructor

ams: remove TYPED_STORAGE() macro in favor of template

ams: bump version to 0.19.0. ...

Release (probably) not actually imminent, I just don't want to forget.

boot2: clean up pre-0.19.0 ams contents on upgrade

ams: distribute sysmodules in single file as stratosphere.romfs

kern: add extension InfoType for retrieving current process handle.

[tma2] [Ongoing] Continue implementing modules for tma2. (#1388) ...

* cs: add stub sysmodule to host command shell server

* cs: implement logic for main (linker error paradise, for now)

* cs: implement more of the system module's skeleton

* htcs: update client type names for libnx pr merge