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/applications/version-management/git-and-tools/git-absorb/default.nix

@@ -0,0 +1,34 @@
+{ lib, stdenv, fetchFromGitHub, rustPlatform, installShellFiles, Security }:
+
+rustPlatform.buildRustPackage rec {
+  pname = "git-absorb";
+  version = "0.6.7";
+
+  src = fetchFromGitHub {
+    owner = "tummychow";
+    repo = pname;
+    rev = "refs/tags/${version}";
+    sha256 = "sha256-qhUw1wjXn1tyiH175+BadcoKoZ0wHxpMTKDIKOcJjQ0=";
+  };
+
+  nativeBuildInputs = [ installShellFiles ];
+
+  buildInputs = lib.optionals stdenv.isDarwin [ Security ];
+
+  cargoSha256 = "sha256-Wh2kA12CggbgdofWJwPAy+587qfMUPSy9nQmO11+keY=";
+
+  postInstall = ''
+    installManPage Documentation/git-absorb.1
+    installShellCompletion --cmd git-absorb \
+      --bash <($out/bin/git-absorb --gen-completions bash) \
+      --fish <($out/bin/git-absorb --gen-completions fish) \
+      --zsh <($out/bin/git-absorb --gen-completions zsh)
+  '';
+
+  meta = with lib; {
+    homepage = "https://github.com/tummychow/git-absorb";
+    description = "git commit --fixup, but automatic";
+    license = [ licenses.bsd3 ];
+    maintainers = [ maintainers.marsam ];
+  };
+}