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/graphics/dcraw/default.nix

@@ -0,0 +1,43 @@
+{lib, stdenv, fetchurl, libjpeg, lcms2, gettext, libiconv }:
+
+stdenv.mkDerivation rec {
+  pname = "dcraw";
+  version = "9.28.0";
+
+  src = fetchurl {
+    url = "https://www.dechifro.org/dcraw/archive/dcraw-${version}.tar.gz";
+    sha256 = "1fdl3xa1fbm71xzc3760rsjkvf0x5jdjrvdzyg2l9ka24vdc7418";
+  };
+
+  nativeBuildInputs = lib.optional stdenv.isDarwin libiconv;
+  buildInputs = [ libjpeg lcms2 gettext ];
+
+  # Jasper is disabled because the library is abandoned and has many
+  # CVEs.
+  patchPhase = ''
+    substituteInPlace install \
+      --replace 'prefix=/usr/local' 'prefix=$out' \
+      --replace gcc '$CC' \
+      --replace '-ljasper' '-DNO_JASPER=1'
+  '';
+
+  buildPhase = ''
+    mkdir -p $out/bin
+    sh -e install
+  '';
+
+  meta = {
+    homepage = "https://www.dechifro.org/dcraw/";
+    description = "Decoder for many camera raw picture formats";
+    license = lib.licenses.free;
+    platforms = lib.platforms.unix; # Once had cygwin problems
+    maintainers = [ ];
+    knownVulnerabilities = [
+      "CVE-2018-19655"
+      "CVE-2018-19565"
+      "CVE-2018-19566"
+      "CVE-2018-19567"
+      "CVE-2018-19568"
+    ];
+  };
+}