uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/os-specific/linux/sysvinit/default.nix

@@ -0,0 +1,44 @@
+{ lib, stdenv, fetchurl, withoutInitTools ? false }:
+
+stdenv.mkDerivation rec {
+  pname = if withoutInitTools then "sysvtools" else "sysvinit";
+  version = "3.01";
+
+  src = fetchurl {
+    url = "mirror://savannah/sysvinit/sysvinit-${version}.tar.xz";
+    sha256 = "sha256-aLEaR3LNrM5ftlpMvq0ySizjmZ0Ti0/2HcLVnlfvV5M=";
+  };
+
+  prePatch = ''
+    # Patch some minimal hard references, so halt/shutdown work
+    sed -i -e "s,/sbin/,$out/sbin/," src/halt.c src/init.c src/paths.h
+  '';
+
+  makeFlags = [ "SULOGINLIBS=-lcrypt" "ROOT=$(out)" "MANDIR=/share/man" ];
+
+  preInstall =
+    ''
+      substituteInPlace src/Makefile --replace /usr /
+    '';
+
+  postInstall = ''
+    mv $out/sbin/killall5 $out/bin
+    ln -sf killall5 $out/bin/pidof
+  ''
+    + lib.optionalString withoutInitTools
+    ''
+      shopt -s extglob
+      rm -rf $out/sbin/!(sulogin)
+      rm -rf $out/include
+      rm -rf $out/share/man/man5
+      rm $(for i in $out/share/man/man8/*; do echo $i; done | grep -v 'pidof\|killall5')
+      rm $out/bin/wall $out/share/man/man1/wall.1
+    '';
+
+  meta = {
+    homepage = "https://www.nongnu.org/sysvinit/";
+    description = "Utilities related to booting and shutdown";
+    platforms = lib.platforms.linux;
+    license = lib.licenses.gpl2Plus;
+  };
+}