os: use ported libnx mutex impl

git subrepo push libraries ...

subrepo:
  subdir:   "libraries"
  merged:   "bbbe6793"
upstream:
  origin:   "https://github.com/Atmosphere-NX/Atmosphere-libs"
  branch:   "master"
  commit:   "bbbe6793"
git-subrepo:
  version:  "0.4.1"
  origin:   "???"
  commit:   "???"

nca-pr: update for c++20

git subrepo push libraries ...

subrepo:
  subdir:   "libraries"
  merged:   "b38939ad"
upstream:
  origin:   "https://github.com/Atmosphere-NX/Atmosphere-libs"
  branch:   "master"
  commit:   "b38939ad"
git-subrepo:
  version:  "0.4.1"
  origin:   "???"
  commit:   "???"

Implement support for parsing/interacting with NCAs. (#942) ...

* fs: implement support for interacting with ncas.

* spl: extend to use virtual keyslots

Switch atmosphere's build target to C++20. (#952) ...

* ams: update to build with gcc10/c++20

* remove mno-outline-atomics

* ams: take care of most TODO C++20s

* fusee/sept: update for gcc10

* whoosh, your code now uses pre-compiled headers

* make: dependency fixes

ams: use psc acknowledge_ex on 5.1.0+ (fixes wake-from-sleep on 5.1.0)

ams: revamp target firmware

ams:bpc: allow programatically setting reboot payload

kern: fix link error

os: oh geez look at the time

git subrepo push libraries ...

subrepo:
  subdir:   "libraries"
  merged:   "6913aa52"
upstream:
  origin:   "https://github.com/Atmosphere-NX/Atmosphere-libs"
  branch:   "master"
  commit:   "6913aa52"
git-subrepo:
  version:  "0.4.1"
  origin:   "???"
  commit:   "???"

result: add R_CATCH_MODULE

kern: fix KLinkedList dtor

kern: implement SvcSetUnsafeLimit

kern: implement KUnsafeMemory

git subrepo push libraries ...

subrepo:
  subdir:   "libraries"
  merged:   "bb40dae3"
upstream:
  origin:   "https://github.com/Atmosphere-NX/Atmosphere-libs"
  branch:   "master"
  commit:   "bb40dae3"
git-subrepo:
  version:  "0.4.1"
  origin:   "???"
  commit:   "???"

ams: bump version to 0.12.0

dmnt: move stuff around slightly, add client bindings

note that we support 10.0.1

PRODINFO: Revamp blanking/write disallow policy. (#913) ...

* exo/fusee: hookup new prodinfo settings

* fusee: new scheme doesn't need FLAGS_DEFAULT

* fusee: fix c/p errors

* ams.mitm: completely revamp prodinfo backup mechanism

* ams.mitm: Implement revamped blanking/write policy

* strat: make early boot more debuggable

* exo: condense flag logic

creport: Try to take screenshot of application crashes on 9.x+

erpt: fix access to time service on versions where it is disallowed

kern/kldr: fix bugs in physical randomization

os: bug fixes after re-review of rwlock code

os: implement ReadWriteLock

refactor jpegdec implementation into libstrat (thanks again, Behemoth!)

jpegdec reimplementation (#912) ...

* add jpegdec reimplementation

* reduce work memory

* fix color space

* jpegdec: cleanup results to use atmosphere style

* fix outdated comments, correct do/while bug

Co-authored-by: Michael Scire <SciresM@gmail.com>

kern: implement 10.x perm change, fix many page table bugs

kern: randomize dynamic slab heaps to reflect 10.x changes