gnu: multipath-tools: Fetch with git.

* gnu/packages/linux.scm (multipath-tools)[source]: Change to GIT-FETCH.

gnu: linux-libre: Update to 5.4.41.

* gnu/packages/linux.scm (linux-libre-5.4-version): Update to 5.4.41.
(linux-libre-5.4-pristine-source): Update hash.

gnu: linux-libre@5.6: Update to 5.6.13.

* gnu/packages/linux.scm (linux-libre-5.6-version): Update to 5.6.13.
(linux-libre-5.6-pristine-source): Update hash.

gnu: linux-libre@4.19: Update to 4.19.123.

* gnu/packages/linux.scm (linux-libre-4.19-version): Update to 4.19.123.
(linux-libre-4.19-pristine-source): Update hash.

gnu: Add fakechroot.

* gnu/packages/linux.scm (fakechroot): New variable.

mailmap: Update entries for Nikita.

* .mailmap: change email and name for Nikita.
* Makefile.am, doc/guix.texi, etc/completion/fish/guix.fish,
gnu/packages/accessibility.scm, gnu/packages/admin.scm,
gnu/packages/audio.scm, gnu/packages/autotools.scm, gnu/packages/cdrom.scm,
gnu/packages/check.scm, gnu/packages/cinnamon.scm,
gnu/packages/compression.scm, gnu/packages/crypto.scm,
gnu/packages/databases.scm, gnu/packages/django.scm, gnu/packages/dns.scm,
gnu/packages/elixir.scm, gnu/packages/emacs-xyz.scm, gnu/packages/emacs.scm,
gnu/packages/enlightenment.scm, gnu/packages/erlang.scm,
gnu/packages/fonts.scm, gnu/packages/fontutils.scm, gnu/packages/forth.scm,
gnu/packages/fvwm.scm, gnu/packages/games.scm, gnu/packages/gl.scm,
gnu/packages/gnome.scm, gnu/packages/gnunet.scm, gnu/packages/gnupg.scm,
gnu/packages/gtk.scm, gnu/packages/guile-wm.scm, gnu/packages/guile-xyz.scm,
gnu/packages/haskell-apps.scm, gnu/packages/haskell-check.scm,
gnu/packages/haskell-crypto.scm, gnu/packages/haskell-xyz.scm,
gnu/packages/haskell.scm, gnu/packages/image-viewers.scm,
gnu/packages/image.scm, gnu/packages/irc.scm, gnu/packages/language.scm,
gnu/packages/libcanberra.scm, gnu/packages/linux.scm,
gnu/packages/lisp-xyz.scm, gnu/packages/lisp.scm, gnu/packages/lolcode.scm,
gnu/packages/lxde.scm, gnu/packages/lxqt.scm, gnu/packages/mail.scm,
gnu/packages/markup.scm, gnu/packages/mate.scm, gnu/packages/maths.scm,
gnu/packages/mc.scm, gnu/packages/messaging.scm, gnu/packages/music.scm,
gnu/packages/ncurses.scm, gnu/packages/networking.scm,
gnu/packages/nickle.scm, gnu/packages/openbox.scm, gnu/packages/pdf.scm,
gnu/packages/perl-check.scm, gnu/packages/perl.scm,
gnu/packages/python-compression.scm, gnu/packages/python-crypto.scm,
gnu/packages/python-web.scm, gnu/packages/python-xyz.scm,
gnu/packages/python.scm, gnu/packages/qt.scm, gnu/packages/ruby.scm,
gnu/packages/rust.scm, gnu/packages/scheme.scm,
gnu/packages/serialization.scm, gnu/packages/shells.scm,
gnu/packages/ssh.scm, gnu/packages/suckless.scm, gnu/packages/tbb.scm,
gnu/packages/telephony.scm, gnu/packages/text-editors.scm,
gnu/packages/textutils.scm, gnu/packages/time.scm, gnu/packages/tls.scm,
gnu/packages/tor.scm, gnu/packages/version-control.scm,
gnu/packages/video.scm, gnu/packages/vim.scm, gnu/packages/web.scm,
gnu/packages/wm.scm, gnu/packages/xdisorg.scm, gnu/packages/xfce.scm,
gnu/packages/xml.scm, gnu/packages/xorg.scm, gnu/services/certbot.scm,
gnu/services/desktop.scm, gnu/services/version-control.scm,
gnu/services/web.scm, guix/import/hackage.scm, guix/licenses.scm: Likewise.

Signed-off-by: Efraim Flashner <efraim@flashner.co.il>

gnu: rng-tools: Update to 6.10.

* gnu/packages/linux.scm (rng-tools): Update to 6.10.
[arguments]: Add --without-rtlsdr in #:configure-flags.
[inputs]: Add OPENSSL, which is no longer optional.

gnu: lvm2: Update to 2.03.09.

* gnu/packages/linux.scm (lvm2): Update to 2.03.09.

gnu: proot: Fix test failures.

The upgrade to Make 4.3 and Coreutils 8.30 introduced test failures that
this commit addresses.

* gnu/packages/base.scm (coreutils-8.30): New variable.
* gnu/packages/linux.scm (proot)[native-inputs]: Add COREUTILS-8.30 and
GNU-MAKE-4.2.

gnu: linux-libre: Update to 5.4.40.

* gnu/packages/linux.scm (linux-libre-5.4-version): Update to 5.4.40.
(linux-libre-5.4-pristine-source): Update hash.

gnu: linux-libre@5.6: Update to 5.6.12.

* gnu/packages/linux.scm (linux-libre-5.6-version): Update to 5.6.12.
(linux-libre-5.6-pristine-source): Update hash.

gnu: linux-libre@4.19: Update to 4.19.122.

* gnu/packages/linux.scm (linux-libre-4.19-version): Update to 4.19.122.
(linux-libre-4.19-pristine-source): Update hash.

gnu: linux-libre@4.14: Update to 4.14.180.

* gnu/packages/linux.scm (linux-libre-4.14-version): Update to 4.14.180.
(linux-libre-4.14-pristine-source): Update hash.

gnu: linux-libre@4.9: Update to 4.9.223.

* gnu/packages/linux.scm (linux-libre-4.9-version): Update to 4.9.223.
(linux-libre-4.9-pristine-source): Update hash.

gnu: linux-libre@4.4: Update to 4.4.223.

* gnu/packages/linux.scm (linux-libre-4.4-version): Update to 4.4.223.
(linux-libre-4.4-pristine-source): Update hash.

gnu: Add cachefilesd.

* gnu/packages/linux.scm (cachefilesd): New public variable.

Signed-off-by: Mathieu Othacehe <othacehe@gnu.org>

gnu: Add powerstat.

* gnu/packages/linux.scm (powerstat): New public variable.

Merge branch 'core-updates'

gnu: Add rtl8821ce-linux-module.

* gnu/packages/linux.scm (rtl8821ce-linux-module): New variable.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

gnu: powertop: Fix typo in description.

* gnu/packages/linux.scm (powertop)[description]: Excise space.