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/misc/pahole/default.nix

@@ -0,0 +1,30 @@
+{ lib, stdenv, fetchgit, pkg-config, libbpf, cmake, elfutils, zlib, argp-standalone, musl-obstack }:
+
+stdenv.mkDerivation rec {
+  pname = "pahole";
+  version = "1.23";
+  src = fetchgit {
+    url = "https://git.kernel.org/pub/scm/devel/pahole/pahole.git";
+    rev = "v${version}";
+    sha256 = "sha256-Dt3ZcUfjwdtTTv6qRFRgwK5GFWXdpN7fvb9KhpS1O94=";
+  };
+
+  nativeBuildInputs = [ cmake pkg-config ];
+  buildInputs = [ elfutils zlib libbpf ]
+    ++ lib.optional stdenv.hostPlatform.isMusl [
+    argp-standalone
+    musl-obstack
+  ];
+
+  # Put libraries in "lib" subdirectory, not top level of $out
+  cmakeFlags = [ "-D__LIB=lib" "-DLIBBPF_EMBEDDED=OFF" ];
+
+  meta = with lib; {
+    homepage = "https://git.kernel.org/cgit/devel/pahole/pahole.git/";
+    description = "Pahole and other DWARF utils";
+    license = licenses.gpl2Only;
+
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ bosu martinetd ];
+  };
+}