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/ocf-resource-agents/default.nix

@@ -0,0 +1,63 @@
+# This combines together OCF definitions from other derivations.
+# https://github.com/ClusterLabs/resource-agents/blob/master/doc/dev-guides/ra-dev-guide.asc
+{ stdenv
+, lib
+, runCommand
+, lndir
+, fetchFromGitHub
+, autoreconfHook
+, pkg-config
+, python3
+, glib
+, drbd
+, pacemaker
+}:
+
+let
+  drbdForOCF = drbd.override {
+    forOCF = true;
+  };
+  pacemakerForOCF = pacemaker.override {
+    forOCF = true;
+  };
+
+  resource-agentsForOCF = stdenv.mkDerivation rec {
+    pname = "resource-agents";
+    version = "4.10.0";
+
+    src = fetchFromGitHub {
+      owner = "ClusterLabs";
+      repo = pname;
+      rev = "v${version}";
+      sha256 = "0haryi3yrszdfpqnkfnppxj1yiy6ipah6m80snvayc7v0ss0wnir";
+    };
+
+    nativeBuildInputs = [
+      autoreconfHook
+      pkg-config
+    ];
+
+    buildInputs = [
+      glib
+      python3
+    ];
+
+    meta = with lib; {
+      homepage = "https://github.com/ClusterLabs/resource-agents";
+      description = "Combined repository of OCF agents from the RHCS and Linux-HA projects";
+      license = licenses.gpl2Plus;
+      platforms = platforms.linux;
+      maintainers = with maintainers; [ ryantm astro ];
+    };
+  };
+
+in
+
+# This combines together OCF definitions from other derivations.
+# https://github.com/ClusterLabs/resource-agents/blob/master/doc/dev-guides/ra-dev-guide.asc
+runCommand "ocf-resource-agents" {} ''
+  mkdir -p $out/usr/lib/ocf
+  ${lndir}/bin/lndir -silent "${resource-agentsForOCF}/lib/ocf/" $out/usr/lib/ocf
+  ${lndir}/bin/lndir -silent "${drbdForOCF}/usr/lib/ocf/" $out/usr/lib/ocf
+  ${lndir}/bin/lndir -silent "${pacemakerForOCF}/usr/lib/ocf/" $out/usr/lib/ocf
+''