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/libraries/physics/geant4/tests.nix

@@ -0,0 +1,31 @@
+{ stdenv, cmake, geant4 }:
+
+{
+  example_B1 = stdenv.mkDerivation {
+    name = "${geant4.name}-test-example_B1";
+
+    inherit (geant4) src;
+
+    nativeBuildInputs = [ cmake ];
+    buildInputs = [ geant4 ];
+    checkInputs = with geant4.data; [
+      G4EMLOW
+      G4ENSDFSTATE
+      G4PARTICLEXS
+      G4PhotonEvaporation
+    ];
+
+    prePatch = ''
+      cd examples/basic/B1
+    '';
+
+    doCheck = true;
+    checkPhase = ''
+      runHook preCheck
+
+      ./exampleB1 ../run2.mac
+
+      runHook postCheck
+    '';
+  };
+}