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/graphics/pbrt/default.nix

@@ -0,0 +1,31 @@
+{lib, stdenv, fetchFromGitHub, flex, bison, cmake, git, zlib}:
+
+stdenv.mkDerivation {
+  version = "2018-08-15";
+  pname = "pbrt-v3";
+
+  src = fetchFromGitHub {
+    rev = "86b5821308088deea70b207bc8c22219d0103d65";
+    owner  = "mmp";
+    repo   = "pbrt-v3";
+    sha256 = "0f7ivsczba6zfk5f0bba1js6dcwf6w6jrkiby147qp1sx5k35cv8";
+    fetchSubmodules = true;
+  };
+
+  patches = [
+    # https://github.com/mmp/pbrt-v3/issues/196
+    ./openexr-cmake-3.12.patch
+  ];
+
+  nativeBuildInputs = [ flex bison cmake ];
+  buildInputs = [ zlib ];
+
+  meta = with lib; {
+    homepage = "https://pbrt.org/";
+    description = "The renderer described in the third edition of the book 'Physically Based Rendering: From Theory To Implementation'";
+    platforms = platforms.linux;
+    license = licenses.bsd2;
+    maintainers = [ maintainers.juliendehos ];
+    priority = 10;
+  };
+}