emummc: add custom ld/specs file

kern: implement improved [new page tables are zero] invariant

kern: fix missing peak set in KResourceLimit::SetLimitValue

kern: ensure InitArguments do not cross page boundaries

dns.mitm: fix wildcardcmp failure case (#1539)

reboot_to_payload: Use ams:bpc API to set payload, reboot safely and prevent usage on Mariko (#1543)

git subrepo push libraries ...

subrepo:
  subdir:   "libraries"
  merged:   "11ea38a7"
upstream:
  origin:   "https://github.com/Atmosphere-NX/Atmosphere-libs"
  branch:   "master"
  commit:   "11ea38a7"
git-subrepo:
  version:  "0.4.1"
  origin:   "???"
  commit:   "???"

ams: bump version to 0.19.4

git subrepo pull emummc ...

subrepo:
  subdir:   "emummc"
  merged:   "219c723c"
upstream:
  origin:   "https://github.com/m4xw/emuMMC"
  branch:   "develop"
  commit:   "219c723c"
git-subrepo:
  version:  "0.4.1"
  origin:   "???"
  commit:   "???"

kern: fix enormous whoops

sm: lighten abort restrictions on mitm handle acquisition (closes #1528)

kern: slightly improve genericity of debugger break event

mem: actually fully fix the heap bug, add comments for future self

mem: fix rare crash/logic error in heap allocation code

libstrat: fix override operator new to be noexcept (closes #1494)

git subrepo push libraries ...

subrepo:
  subdir:   "libraries"
  merged:   "b5b55f60"
upstream:
  origin:   "https://github.com/Atmosphere-NX/Atmosphere-libs"
  branch:   "master"
  commit:   "b5b55f60"
git-subrepo:
  version:  "0.4.1"
  origin:   "???"
  commit:   "???"

sf/tipc: treat min/max as true min/max, rather than numeric

warmboot: remove superfluous firmware version check

docs: amend changelog

git subrepo push libraries ...

subrepo:
  subdir:   "libraries"
  merged:   "9ac6f527"
upstream:
  origin:   "https://github.com/Atmosphere-NX/Atmosphere-libs"
  branch:   "master"
  commit:   "9ac6f527"
git-subrepo:
  version:  "0.4.1"
  origin:   "???"
  commit:   "???"

docs: update changelog for 0.19.3

ams: update for 12.0.2

Update issue template to ask whether sysmmc or emummc.

dns.mitm: handle nullptr hostname

exo: revert section sorting

git subrepo clone --force https://github.com/m4xw/emummc ...

subrepo:
  subdir:   "emummc"
  merged:   "c6717b93"
upstream:
  origin:   "https://github.com/m4xw/emummc"
  branch:   "develop"
  commit:   "c6717b93"
git-subrepo:
  version:  "0.4.1"
  origin:   "???"
  commit:   "???"

ams: move around abort handler to avoid linker errors

emummc: style-change

emummc: advance buffer for multi-file case

emummc: fix file-based accesses that cross file boundaries