ro: reduce memory usage by excising (unused) std::malloc

ro: update for new sf semantics

sm, spl: update to use new sf semantics

libstrat: convert to experimental new (super-accurate) sf allocation semantics

git subrepo push libraries ...

subrepo:
  subdir:   "libraries"
  merged:   "6c11c07e"
upstream:
  origin:   "https://github.com/Atmosphere-NX/Atmosphere-libs"
  branch:   "master"
  commit:   "6c11c07e"
git-subrepo:
  version:  "0.4.1"
  origin:   "???"
  commit:   "???"

ams: bump version to 0.17.1

stratosphere: discard unnecessary .eh_frame segment

os: fix missing logic in SdkReplyAndReceive

os: implement 11.x SdkReplyAndReceive

fs: fix keyslotcache unique_lock usage

strat: avoid using unique_lock in a few places

util: fix header dependence

ams: use util::SNPrintf over std:: (size/linker improvements)

sf: alter serialization to re-use as much logic as possible

ams: save 0x11000 of memory in spl via minor tweaks

util: faster constexpr offsetof calc, at the cost of standards compliance

kern: further codegen tweaks

kern: greatly improve codegen for atomics, scheduler

kern: fix svc bounds checking for main memory size 4GB -> 8GB (closes #1320)

git subrepo push libraries ...

subrepo:
  subdir:   "libraries"
  merged:   "8ad00caa"
upstream:
  origin:   "https://github.com/Atmosphere-NX/Atmosphere-libs"
  branch:   "master"
  commit:   "8ad00caa"
git-subrepo:
  version:  "0.4.1"
  origin:   "???"
  commit:   "???"

pmic: use correct shutdown impl for erista power-off

ams: mariko support implies 0.17.0

sm: implement accurate request deferral semantics

git subrepo push libraries ...

subrepo:
  subdir:   "libraries"
  merged:   "b05ba02f"
upstream:
  origin:   "https://github.com/Atmosphere-NX/Atmosphere-libs"
  branch:   "master"
  commit:   "b05ba02f"
git-subrepo:
  version:  "0.4.1"
  origin:   "???"
  commit:   "???"

libmeso: explicitly blacklist ::sdmmc::, instead of relying on incorrect board tricks

strat: fix board namespacing for nintendo::nx

ams: resolve source dir inconsistency

kern: remove target-firmware logic for kernel loader

git subrepo push libraries ...

subrepo:
  subdir:   "libraries"
  merged:   "be8388d6"
upstream:
  origin:   "https://github.com/Atmosphere-NX/Atmosphere-libs"
  branch:   "master"
  commit:   "be8388d6"
git-subrepo:
  version:  "0.4.1"
  origin:   "???"
  commit:   "???"

svc: we support kernel version 15.4