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/applications/misc/pstree/default.nix

@@ -0,0 +1,38 @@
+{ lib, stdenv, fetchurl }:
+
+stdenv.mkDerivation rec {
+  pname = "pstree";
+  version = "2.39";
+
+  src = fetchurl {
+    urls = [
+      "https://distfiles.macports.org/${pname}/${pname}-${version}.tar.gz"
+      "https://fossies.org/linux/misc/${pname}-${version}.tar.gz"
+      "ftp://ftp.thp.uni-duisburg.de/pub/source/${pname}-${version}.tar.gz"
+    ];
+    sha256 = "17s7v15c4gryjpi11y1xq75022nkg4ggzvjlq2dkmyg67ssc76vw";
+  };
+
+  sourceRoot = ".";
+  buildPhase = ''
+    runHook preBuild
+    $CC $NIX_CFLAGS -o pstree pstree.c
+    runHook postBuild
+  '';
+
+  installPhase = ''
+    runHook preInstall
+    install -Dm0555 ${pname} -t $out/bin
+    install -Dm0444 ${pname}.1 -t $out/share/man/man1
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    description = "Show the set of running processes as a tree";
+    homepage = "http://www.thp.uni-duisburg.de/pstree/";
+    license = licenses.gpl2;
+    maintainers = [ maintainers.c0bw3b ];
+    platforms = platforms.unix;
+    priority = 5; # Lower than psmisc also providing pstree on Linux platforms
+  };
+}