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/science/electronics/verilator/default.nix

@@ -0,0 +1,42 @@
+{ lib, stdenv, fetchFromGitHub
+, perl, flex, bison, python3, autoconf
+}:
+
+stdenv.mkDerivation rec {
+  pname = "verilator";
+  version = "4.222";
+
+  src = fetchFromGitHub {
+    owner = pname;
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-AvjcStbiXDdhJnaSJJ5Mp6zscvaxhb+A2J+0gpm2rFI=";
+  };
+
+  enableParallelBuilding = true;
+  buildInputs = [ perl ];
+  nativeBuildInputs = [ flex bison python3 autoconf ];
+
+  # these tests need some interpreter paths patched early on...
+  # see https://github.com/NixOS/nix/issues/1205
+  doCheck = false;
+  checkTarget = "test";
+
+  preConfigure = ''
+    autoconf
+  '';
+
+  postPatch = ''
+    patchShebangs \
+      src/flexfix \
+      src/vlcovgen
+  '';
+
+  meta = with lib; {
+    description = "Fast and robust (System)Verilog simulator/compiler";
+    homepage    = "https://www.veripool.org/wiki/verilator";
+    license     = with licenses; [ lgpl3Only artistic2 ];
+    platforms   = platforms.unix;
+    maintainers = with maintainers; [ thoughtpolice ];
+  };
+}