fssystem: Implement PartitionFileSystemCore (#856) ...

* fssystem: implement PartitionFileSystemMetaCore

* fssystem: PartitionFileSystemMetaCore cleanup

* fs: add IFile::DryWrite, update results

* fssystem: implement PartitionFileSystemCore

* fssystem: cleanup PartitionFileSystemCore

* fssystem: implement Sha256PartitionFileSystem

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

fs.mitm: use new namespace types for saves

git subrepo push libraries ...

subrepo:
  subdir:   "libraries"
  merged:   "30f3e4c3"
upstream:
  origin:   "https://github.com/Atmosphere-NX/Atmosphere-libs"
  branch:   "master"
  commit:   "30f3e4c3"
git-subrepo:
  version:  "0.4.1"
  origin:   "???"
  commit:   "???"

Add Span<T>.

fs: fix bugs with external code filesystems

git subrepo push libraries ...

subrepo:
  subdir:   "libraries"
  merged:   "07630f73"
upstream:
  origin:   "https://github.com/Atmosphere-NX/Atmosphere-libs"
  branch:   "master"
  commit:   "07630f73"
git-subrepo:
  version:  "0.4.1"
  origin:   "???"
  commit:   "???"

fs: add MountDeviceSaveData

git subrepo push libraries ...

subrepo:
  subdir:   "libraries"
  merged:   "38fc51c6"
upstream:
  origin:   "https://github.com/Atmosphere-NX/Atmosphere-libs"
  branch:   "master"
  commit:   "38fc51c6"
git-subrepo:
  version:  "0.4.1"
  origin:   "???"
  commit:   "???"

ams: bump version to 0.10.5 in prep for release later tonight

git subrepo push libraries ...

subrepo:
  subdir:   "libraries"
  merged:   "07684b2c"
upstream:
  origin:   "https://github.com/Atmosphere-NX/Atmosphere-libs"
  branch:   "master"
  commit:   "07684b2c"
git-subrepo:
  version:  "0.4.1"
  origin:   "???"
  commit:   "???"

stratosphere: fix building with latest libnx

svc: add ipc accessor boilerplate

kern: Implement SvcManageNamedPort

memset: use neon-less impl, reformat other asm

libmesosphere: use ARM-software/optimized-routines for memcpy/memset/memcmp

svc: revert codegen changes

svc: make autogen asm register-clobber aware

kern: implement CallSecureMonitor, some of GetInfo/GetSystemInfo

ams.mitm: greatly reduce memory requirements to build romfs

os: add rngmanager

Add architecture-specific guard for get tick

os: implement Tick api, make build with -Werror

crypto: add Sha256Context

kern: tweak KHandleTable impl

git subrepo push libraries ...

subrepo:
  subdir:   "libraries"
  merged:   "a4ce1172"
upstream:
  origin:   "https://github.com/Atmosphere-NX/Atmosphere-libs"
  branch:   "master"
  commit:   "a4ce1172"
git-subrepo:
  version:  "0.4.1"
  origin:   "???"
  commit:   "???"

ams: bump version to 0.10.4

stratosphere-ldr: fix code mount name

exo/fusee/sept: fix uart pinmuxing (thanks @CTCaer and @TuxSH)

fusee/sept: fix volatile usage and simplify logic in gpio code (thanks @TuxSH)

ams: finish stdio -> fs bindings for stratosphere