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/tools/tapview/default.nix

@@ -0,0 +1,32 @@
+{ asciidoctor
+, fetchFromGitLab
+, lib
+, stdenv
+}:
+
+stdenv.mkDerivation rec {
+  pname = "tapview";
+  version = "1.1";
+
+  nativeBuildInputs = [ asciidoctor ];
+
+  src = fetchFromGitLab {
+    owner = "esr";
+    repo = pname;
+    rev = version;
+    sha256 = "sha256-inrxICNglZU/tup+YnHaDiVss32K2OXht/7f8lOZI4g=";
+  };
+
+  # Remove unecessary `echo` checks: `/bin/echo` fails, and `echo -n` works as expected.
+  patches = [ ./dont_check_echo.patch ];
+
+  makeFlags = [ "prefix=$(out)" ];
+
+  meta = with lib; {
+    description = "A minimalist pure consumer for TAP (Test Anything Protocol)";
+    homepage = "https://gitlab.com/esr/tapview";
+    license = licenses.bsd2;
+    platforms = platforms.all;
+    maintainers = with maintainers; [ pamplemousse ];
+  };
+}