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/compilers/fasm/default.nix

@@ -0,0 +1,28 @@
+{ stdenv, lib, fasm-bin, isx86_64 }:
+
+stdenv.mkDerivation {
+  inherit (fasm-bin) version src meta;
+
+  pname = "fasm";
+
+  nativeBuildInputs = [ fasm-bin ];
+
+  buildPhase = ''
+    fasm source/Linux${lib.optionalString isx86_64 "/x64"}/fasm.asm fasm
+    for tool in listing prepsrc symbols; do
+      fasm tools/libc/$tool.asm
+      cc -o tools/libc/fasm-$tool tools/libc/$tool.o
+    done
+  '';
+
+  outputs = [ "out" "doc" ];
+
+  installPhase = ''
+    install -Dt $out/bin fasm tools/libc/fasm-*
+
+    docs=$doc/share/doc/fasm
+    mkdir -p $docs
+    cp -r examples/ *.txt tools/fas.txt $docs
+    cp tools/readme.txt $docs/tools.txt
+  '';
+}