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/idris-modules/idris-wrapper.nix

@@ -0,0 +1,14 @@
+{ stdenv, lib, symlinkJoin, makeWrapper, idris-no-deps, gmp }:
+
+symlinkJoin {
+  inherit (idris-no-deps) name src meta;
+  paths = [ idris-no-deps ];
+  buildInputs = [ makeWrapper ];
+  postBuild = ''
+    wrapProgram $out/bin/idris \
+      --run 'export IDRIS_CC=''${IDRIS_CC:-${stdenv.cc}/bin/cc}' \
+      --set 'NIX_CC_WRAPPER_TARGET_HOST_${stdenv.cc.suffixSalt}' 1 \
+      --prefix NIX_CFLAGS_COMPILE " " "-I${lib.getDev gmp}/include" \
+      --prefix NIX_CFLAGS_LINK " " "-L${lib.getLib gmp}/lib"
+  '';
+}