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/os-specific/linux/irqbalance/default.nix

@@ -0,0 +1,48 @@
+{ lib, stdenv, fetchFromGitHub, fetchpatch, autoreconfHook, pkg-config, glib, ncurses, libcap_ng }:
+
+stdenv.mkDerivation rec {
+  pname = "irqbalance";
+  version = "1.8.0";
+
+  src = fetchFromGitHub {
+    owner = "irqbalance";
+    repo = "irqbalance";
+    rev = "v${version}";
+    sha256 = "sha256-K+Nv6HqBZb0pwfNV127QDq+suaUD7TTV413S6j8NdUU=";
+  };
+
+  patches = [
+    # pull pending upstream inclusion fix for ncurses-6.3:
+    #  https://github.com/Irqbalance/irqbalance/pull/194
+    (fetchpatch {
+      name = "ncurses-6.3.patch";
+      url = "https://github.com/Irqbalance/irqbalance/commit/f8bdd0e64284d841544fd3ebe22f4652902ba8d2.patch";
+      sha256 = "sha256-QJIXr8BiKmn/81suuhNJsBRhY2as19/e480lsp2wd6g=";
+    })
+  ];
+
+  nativeBuildInputs = [ autoreconfHook pkg-config ];
+
+  buildInputs = [ glib ncurses libcap_ng ];
+
+  LDFLAGS = "-lncurses";
+
+  postInstall =
+    ''
+      # Systemd service
+      mkdir -p $out/lib/systemd/system
+      grep -vi "EnvironmentFile" misc/irqbalance.service >$out/lib/systemd/system/irqbalance.service
+      substituteInPlace $out/lib/systemd/system/irqbalance.service \
+        --replace /usr/sbin/irqbalance $out/bin/irqbalance \
+        --replace ' $IRQBALANCE_ARGS' ""
+    '';
+
+  meta = with lib; {
+    homepage = "https://github.com/Irqbalance/irqbalance";
+    changelog = "https://github.com/Irqbalance/irqbalance/releases/tag/v${version}";
+    description = "A daemon to help balance the cpu load generated by interrupts across all of a systems cpus";
+    license = licenses.gpl2Only;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ fortuneteller2k ];
+  };
+}