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/stb/default.nix

@@ -0,0 +1,28 @@
+{ lib, stdenv, fetchFromGitHub }:
+
+stdenv.mkDerivation {
+  pname = "stb";
+  version = "unstable-2021-09-10";
+
+  src = fetchFromGitHub {
+    owner = "nothings";
+    repo = "stb";
+    rev = "af1a5bc352164740c1cc1354942b1c6b72eacb8a";
+    sha256 = "0qq35cd747lll4s7bmnxb3pqvyp2hgcr9kyf758fax9lx76iwjhr";
+  };
+
+  dontBuild = true;
+
+  installPhase = ''
+    mkdir -p $out/include/stb
+    cp *.h $out/include/stb/
+  '';
+
+  meta = with lib; {
+    description = "Single-file public domain libraries for C/C++";
+    homepage = "https://github.com/nothings/stb";
+    license = licenses.publicDomain;
+    platforms = platforms.all;
+    maintainers = with maintainers; [ jfrankenau ];
+  };
+}