Various fixes + cleanup.

- Add parts.rst documentation for Linux kernel.
- Completely fix problems caused by new bootstrap, update checksums for
  /usr.
- Globalise populate_device_nodes.
- Enable deblobbing.

sysa/run.sh

@@ -7,8 +7,9 @@
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 set -e
-# shellcheck source=sysa/helpers.sh
+# shellcheck source=sysglobal/helpers.sh
 . helpers.sh
+# shellcheck source=/dev/null
 . bootstrap.cfg
 
 export PREFIX=/usr
@@ -16,18 +17,6 @@ export SOURCES=/after
 mkdir -p "${PREFIX}/sbin"
 export PATH="${PREFIX}/bin:${PREFIX}/sbin"
 
-populate_device_nodes() {
-    # http://www.linuxfromscratch.org/lfs/view/6.1/chapter06/devices.html
-    mkdir -p "${1}/dev"
-    test -c "${1}/dev/null" || mknod -m 666 "${1}/dev/null" c 1 3
-    test -c "${1}/dev/zero" || mknod -m 666 "${1}/dev/zero" c 1 5
-    test -c "${1}/dev/ptmx" || mknod -m 666 "${1}/dev/ptmx" c 5 2
-    test -c "${1}/dev/tty" || mknod -m 666 "${1}/dev/tty" c 5 0
-    test -c "${1}/dev/random" || mknod -m 444 "${1}/dev/random" c 1 8
-    test -c "${1}/dev/urandom" || mknod -m 444 "${1}/dev/urandom" c 1 9
-    test -c "${1}/dev/console" || mknod -m 666 "${1}/dev/console" c 5 1
-}
-
 create_sysb() {
     # Copy everything in
     echo "Creating sysb rootfs"