comp: split code in comp-run.el

comp: split code in comp-run.el

* lisp/emacs-lisp/comp-run.el : New file.
(comp-run)
(native-comp-jit-compilation-deny-list)
(native-comp-async-jobs-number)
(native-comp-async-report-warnings-errors)
(native-comp-always-compile)
(native-comp-async-cu-done-functions)
(native-comp-async-all-done-hook)
(native-comp-async-env-modifier-form)
(native-comp-async-query-on-exit, native-comp-verbose)
(comp-log-buffer-name, comp-async-buffer-name, comp-no-spawn)
(comp-async-compilations, native-comp-limple-mode)
(comp-ensure-native-compiler, native-compile-async-skip-p)
(comp-files-queue, comp-async-compilations, comp-async-runnings)
(comp-num-cpus, comp-effective-async-max-jobs)
(comp-last-scanned-async-output)
(comp-accept-and-process-async-output, comp-valid-source-re)
(comp-run-async-workers, native--compile-async)
(native-compile-async): Move these definitions here.
* lisp/Makefile.in (COMPILE_FIRST): Update.
* src/Makefile.in (elnlisp): Likewise.
* admin/MAINTAINERS: Likewise.