Merge emummc changes from pull request #2743 ...

Remaining changes are duplicated in pull request #2744

ams/emummc: update for 21.2.0

emummc: update for 21.0.0

fusee/emummc: add support for FS 20.1.0

emummc: fix offsets for 20.0.0-exfat

emummc: add offsets for 20.0.0 (untested)

emummc: update for 19.0.0

emummc: update to support 18.1.0

emummc: update for 18.0.0

emummc: fix offsets for 17.0.0

emummc: update for 17.0.0

emummc: add enums for 16.0.3

emummc: support 16.0.3

emummc: re-update for 16.0.0

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

subrepo:
  subdir:   "emummc"
  merged:   "4714b2df9"
upstream:
  origin:   "https://github.com/m4xw/emummc"
  branch:   "develop"
  commit:   "4714b2df9"
git-subrepo:
  version:  "0.4.1"
  origin:   "???"
  commit:   "???"

emummc: update for 16.0.0

emummc: update for 15.0.0

emummc: integrate updates for 14.0.0

git subrepo clone --branch=develop https://github.com/m4xw/emummc emummc ...

subrepo:
  subdir:   "emummc"
  merged:   "a9d569594"
upstream:
  origin:   "https://github.com/m4xw/emummc"
  branch:   "develop"
  commit:   "a9d569594"
git-subrepo:
  version:  "0.4.1"
  origin:   "???"
  commit:   "???"

emummc: temp delete

emummc: add 14.0.0 patches

emummc/fusee: support 13.1.0 FS

git subrepo pull emummc ...

subrepo:
  subdir:   "emummc"
  merged:   "4e1ac0a7"
upstream:
  origin:   "https://github.com/m4xw/emuMMC"
  branch:   "develop"
  commit:   "c6a2e9cc"
git-subrepo:
  version:  "0.4.1"
  origin:   "???"
  commit:   "???"

git subrepo pull emummc ...

subrepo:
  subdir:   "emummc"
  merged:   "2e001dd2"
upstream:
  origin:   "https://github.com/m4xw/emuMMC"
  branch:   "develop"
  commit:   "29deabb2"
git-subrepo:
  version:  "0.4.1"
  origin:   "???"
  commit:   "???"

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:   "???"

emummc: update for 12.0.0

git subrepo pull emummc ...

subrepo:
  subdir:   "emummc"
  merged:   "5eed18eb"
upstream:
  origin:   "https://github.com/m4xw/emuMMC"
  branch:   "develop"
  commit:   "5eed18eb"
git-subrepo:
  version:  "0.4.1"
  origin:   "???"
  commit:   "???"

emummc: untested 11.0.0 support

ams: support 10.2.0 (bump vers to 0.14.3)

emummc: add support for 10.0.0