Update lightrec 20220716 (#672)

Update lightrec 20220716 (#672)

* lightrec: Simply invalidate code and reset registers for plugin reset

Instead of destroying the Lightrec instance and creating a new one,
simply invalidate the code and reset all registers to their default
values.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
* git subrepo pull --force deps/lightrec

subrepo:
  subdir:   "deps/lightrec"
  merged:   "7545b5a7"
upstream:
  origin:   "https://github.com/pcercuei/lightrec.git"
  branch:   "master"
  commit:   "7545b5a7"
git-subrepo:
  version:  "0.4.3"
  origin:   "https://github.com/ingydotnet/git-subrepo.git"
  commit:   "2f68596"