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/dasm/default.nix

@@ -0,0 +1,34 @@
+{ lib, stdenv, fetchFromGitHub }:
+
+stdenv.mkDerivation rec {
+  pname = "dasm";
+  version = "2.20.14.1";
+
+  src = fetchFromGitHub {
+    owner = "dasm-assembler";
+    repo = "dasm";
+    rev = version;
+    sha256 = "1bna0bj503xyn5inwzzsrsgi9qg8p20by4dfk7azj91ynw56pl41";
+  };
+
+  configurePhase = false;
+  installPhase = ''
+    mkdir -p $out/bin
+    install bin/* $out/bin
+  '';
+
+  preCheck = ''
+    patchShebangs ./test/
+  '';
+
+  checkTarget = "test";
+  doCheck = true;
+
+  meta = with lib; {
+    description = "Assembler for 6502 and other 8-bit microprocessors";
+    homepage = "https://dasm-assembler.github.io";
+    license = licenses.gpl2;
+    maintainers = [ maintainers.jwatt ];
+    platforms = platforms.all;
+  };
+}