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/data/misc/rime-data/generateFetchSchema.sh

@@ -0,0 +1,43 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p nix-prefetch-git -p jq
+
+imlist=(
+    array
+    bopomofo
+    cangjie
+    cantonese
+    combo-pinyin
+    double-pinyin
+    emoji
+    essay
+    ipa
+    jyutping
+    luna-pinyin
+    middle-chinese
+    pinyin-simp
+    prelude
+    quick
+    scj
+    soutzoe
+    stenotype
+    stroke
+    terra-pinyin
+    wubi
+    wugniu
+)
+
+echo "# Generated using generateFetchSchema.sh"
+echo "fetchFromGitHub:"
+echo \'\'
+echo "mkdir -p package/rime"
+for im in ${imlist[@]}; do
+    tempFile=$(mktemp)
+    echo "ln -sv \${fetchFromGitHub {"
+    echo "  owner = \"rime\";"
+    echo "  repo = \"rime-$im\";"
+    nix-prefetch-git --quiet https://github.com/rime/rime-$im \
+        | jq '{ rev: .rev, sha256: .sha256 }' \
+        | jq -r 'to_entries | map("  \(.key) = \"\(.value)\";") | .[]'
+    echo "}} package/rime/$im"
+done
+echo \'\'