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/development/coq-modules/extructures/default.nix

@@ -0,0 +1,35 @@
+{ lib, mkCoqDerivation, coq, version ? null
+, ssreflect
+, deriving
+}:
+with lib;
+
+(mkCoqDerivation {
+  pname = "extructures";
+  owner = "arthuraa";
+
+  inherit version;
+  defaultVersion = with versions; switch [coq.coq-version ssreflect.version] [
+    { cases = [(isGe "8.11") (isGe "1.12.0") ]; out = "0.3.1"; }
+    { cases = [(range "8.11" "8.14") (isLe "1.12.0") ]; out = "0.3.0"; }
+    { cases = [(range "8.10" "8.12") (isLe "1.12.0") ]; out = "0.2.2"; }
+  ] null;
+
+  releaseRev = v: "v${v}";
+
+  release."0.3.1".sha256 = "sha256-KcuG/11Yq5ACem4FyVnQqHKvy3tNK7hd0ir2SJzzMN0=";
+  release."0.3.0".sha256 = "sha256:14rm0726f1732ldds495qavg26gsn30w6dfdn36xb12g5kzavp38";
+  release."0.2.2".sha256 = "sha256:1clzza73gccy6p6l95n6gs0adkqd3h4wgl4qg5l0qm4q140grvm7";
+
+  propagatedBuildInputs = [ ssreflect ];
+
+  meta = {
+    description = "Finite data structures with extensional reasoning";
+    license = licenses.mit;
+    maintainers = [ maintainers.vbgl ];
+  };
+
+}).overrideAttrs (o: {
+  propagatedBuildInputs = o.propagatedBuildInputs
+  ++ optional (versionAtLeast o.version "0.3.0") deriving;
+})