kern: use callback to note pte updates in KPageTableImpl

kern: refactor FindFreeArea region search logic per 20.0.0 changes

kern: update instruction cache invalidation logic in KPageTableBase to reflect 20.0.0 changes

kern: reorder resource manager implementation

kern: support null resource limit in KSecureSystemResource

kern: update synchronous exception handlers to assume FAR validity on TLB conflict

kern: adjust system registers during exception handling on MTE-violation or kernel address fault

kern: update UserspaceAccess functions for 20.0.0 changes

kern: update crt0 to reflect 20.0.0 changes

kern: update KAddressSpaceInfo to reflect 20.0.0 changes

kern: invert meaning of KTargetSystem/KSystemControl bools

erpt: update ids for 20.0.0

readme: sept has not been in the project for many years

loader: add usb 3.0 enable patches for 20.0.0

emummc: add offsets for 20.0.0 (untested)

fusee/exo/ams: update with new keydata/version enums

ams: various fixes to support booting debug configuration

kern: update KernelLdr for 19.0.0 (new checks, dummy function call). ...

Also, fix a few very embarassing mistakes in kernel ldr:
* We have been mapping the page table region RWX for a few years now, accidentally.
* My attempt at making initial page tables not use bit 58 was broken in multiple ways.

Add extensions to dmnt cheat virtual machine (#2479) ...

* dmnt_extension

* update type 8 extension

* clearify that bit 27 does not correspond to a button

* update cheat.md with new code type 0xC4

* implement code type 0xC4

* Add type 1 extension

* remove C0Tcr6Ma aaaaaaaa VVVVVVVV (VVVVVVVV)

* Type 9 extension for floating point math

* updated according to review

crypto: implement CmacGenerator

fs: fix uninit warnings on windows localfilesystem

libstrat: re-nolto files when compiling for windows-audit

strat: ldr::PlatformId -> ncm::ContentMetaPlatform

docs: add changelog for 1.8.0

git subrepo push libraries ...

subrepo:
  subdir:   "libraries"
  merged:   "989fb7be0"
upstream:
  origin:   "https://github.com/Atmosphere-NX/Atmosphere-libs"
  branch:   "master"
  commit:   "989fb7be0"
git-subrepo:
  version:  "0.4.1"
  origin:   "???"
  commit:   "???"

svc: bump supported kernel version

git subrepo push emummc ...

subrepo:
  subdir:   "emummc"
  merged:   "d248ea6f7"
upstream:
  origin:   "https://github.com/m4xw/emummc"
  branch:   "develop"
  commit:   "d248ea6f7"
git-subrepo:
  version:  "0.4.1"
  origin:   "???"
  commit:   "???"

loader: add usb 3.0 enable patches for 19.0.0

kern: support reboot to fatal error on mariko

kern: Perform page table validity pass during KPageTableImpl::InitializeForKernel