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/interpreters/python/hooks/flit-build-hook.sh

@@ -0,0 +1,15 @@
+# Setup hook for flit
+echo "Sourcing flit-build-hook"
+
+flitBuildPhase () {
+    echo "Executing flitBuildPhase"
+    runHook preBuild
+    @pythonInterpreter@ -m flit build --format wheel
+    runHook postBuild
+    echo "Finished executing flitBuildPhase"
+}
+
+if [ -z "${dontUseFlitBuild-}" ] && [ -z "${buildPhase-}" ]; then
+    echo "Using flitBuildPhase"
+    buildPhase=flitBuildPhase
+fi