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/tools/misc/hpl/default.nix

@@ -0,0 +1,32 @@
+{ lib, stdenv, fetchurl, blas, lapack, mpi } :
+
+assert (!blas.isILP64) && (!lapack.isILP64);
+
+stdenv.mkDerivation rec {
+  pname = "hpl";
+  version = "2.3";
+
+  src = fetchurl {
+    url = "http://www.netlib.org/benchmark/hpl/${pname}-${version}.tar.gz";
+    sha256 = "0c18c7fzlqxifz1bf3izil0bczv3a7nsv0dn6winy3ik49yw3i9j";
+  };
+
+  enableParallelBuilding = true;
+
+  postInstall = ''
+    # only contains the static lib
+    rm -r $out/lib
+
+    install -D testing/ptest/HPL.dat $out/share/hpl/HPL.dat
+  '';
+
+  buildInputs = [ blas lapack mpi ];
+
+  meta = with lib; {
+    description = "Portable Implementation of the Linpack Benchmark for Distributed-Memory Computers";
+    homepage = "http://www.netlib.org/benchmark/hpl/";
+    platforms = platforms.unix;
+    license = licenses.bsdOriginal;
+    maintainers = [ maintainers.markuskowa ];
+  };
+}