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/beam-modules/build-erlang-mk.nix

@@ -0,0 +1,110 @@
+{ stdenv, writeText, erlang, perl, which, gitMinimal, wget, lib }:
+
+{ name
+, version
+, src
+, setupHook ? null
+, buildInputs ? [ ]
+, beamDeps ? [ ]
+, postPatch ? ""
+, compilePorts ? false
+, installPhase ? null
+, buildPhase ? null
+, configurePhase ? null
+, meta ? { }
+, enableDebugInfo ? false
+, buildFlags ? [ ]
+, ...
+}@attrs:
+
+with lib;
+
+let
+  debugInfoFlag = lib.optionalString (enableDebugInfo || erlang.debugInfo) "+debug_info";
+
+  shell = drv: stdenv.mkDerivation {
+    name = "interactive-shell-${drv.name}";
+    buildInputs = [ drv ];
+  };
+
+  pkg = self: stdenv.mkDerivation (attrs // {
+    app_name = name;
+    name = "${name}-${version}";
+    inherit version;
+
+    dontStrip = true;
+
+    inherit src;
+
+    setupHook =
+      if setupHook == null
+      then
+        writeText "setupHook.sh" ''
+          addToSearchPath ERL_LIBS "$1/lib/erlang/lib"
+        ''
+      else setupHook;
+
+    buildInputs = buildInputs ++ [ erlang perl which gitMinimal wget ];
+    propagatedBuildInputs = beamDeps;
+
+    buildFlags = [ "SKIP_DEPS=1" ]
+      ++ lib.optional (enableDebugInfo || erlang.debugInfo) ''ERL_OPTS="$ERL_OPTS +debug_info"''
+      ++ buildFlags;
+
+    configurePhase =
+      if configurePhase == null
+      then ''
+        runHook preConfigure
+
+        # We shouldnt need to do this, but it seems at times there is a *.app in
+        # the repo/package. This ensures we start from a clean slate
+        make SKIP_DEPS=1 clean
+
+        runHook postConfigure
+      ''
+      else configurePhase;
+
+    buildPhase =
+      if buildPhase == null
+      then ''
+        runHook preBuild
+
+        make $buildFlags "''${buildFlagsArray[@]}"
+
+        runHook postBuild
+      ''
+      else buildPhase;
+
+    installPhase =
+      if installPhase == null
+      then ''
+        runHook preInstall
+
+        mkdir -p $out/lib/erlang/lib/${name}
+        cp -r ebin $out/lib/erlang/lib/${name}/
+        cp -r src $out/lib/erlang/lib/${name}/
+
+        if [ -d include ]; then
+          cp -r include $out/lib/erlang/lib/${name}/
+        fi
+
+        if [ -d priv ]; then
+          cp -r priv $out/lib/erlang/lib/${name}/
+        fi
+
+        if [ -d doc ]; then
+          cp -r doc $out/lib/erlang/lib/${name}/
+        fi
+
+        runHook postInstall
+      ''
+      else installPhase;
+
+    passthru = {
+      packageName = name;
+      env = shell self;
+      inherit beamDeps;
+    };
+  });
+in
+fix pkg