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/lhapdf/maintainer.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+set -xe
+
+: ${SED:="$(nix-build '<nixpkgs>' -A gnused --no-out-link)/bin/sed"}
+
+BASE_URL="https://lhapdfsets.web.cern.ch/current/"
+
+for pdf_set in `curl -L $BASE_URL 2>/dev/null | "$SED" -n -e 's/.*<a href=".*\/\([^"/]*\.tar\.gz\)".*/\1/p' | sort -u`; do
+    echo -n "    \"${pdf_set%.tar.gz}\" = \""
+    nix-prefetch-url "${BASE_URL}${pdf_set}" 2>/dev/null | tr -d '\n'
+    echo "\";"
+done