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/qt-5/5.15/fetch.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p nix-prefetch-scripts jq
+
+set -eox pipefail
+
+here="$(dirname "${BASH_SOURCE[0]}")"
+modules="${here}/modules"
+srcs="${here}/srcs-generated.json"
+
+while read -r module; do
+    if [[ -z "$module" ]]; then continue; fi
+    url="https://invent.kde.org/qt/qt/${module}.git"
+    nix-prefetch-git --url $url --rev refs/heads/kde/5.15 \
+        | jq "{key: \"${module}\", value: {url,rev,sha256}}"
+done < "$modules" | jq -s 'from_entries' > "${srcs}.tmp"
+
+mv "${srcs}.tmp" "$srcs"