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/tools/misc/mapcidr/default.nix

@@ -0,0 +1,34 @@
+{ lib
+, buildGoModule
+, fetchFromGitHub
+}:
+
+buildGoModule rec {
+  pname = "mapcidr";
+  version = "0.0.8";
+
+  src = fetchFromGitHub {
+    owner = "projectdiscovery";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-hlMIgSsSqvMx6Y7JnR7L9muTLWPfxDN5raJRezt99G0=";
+  };
+
+  vendorSha256 = "sha256-zp+XaSZgSMwJK+EEiTaJKBTPiKYaYpTtArnGBmHUGzE=";
+
+  modRoot = ".";
+  subPackages = [
+    "cmd/mapcidr"
+  ];
+
+  meta = with lib; {
+    description = "Small utility program to perform multiple operations for a given subnet/CIDR ranges";
+    longDescription = ''
+      mapCIDR is developed to ease load distribution for mass scanning
+      operations, it can be used both as a library and as independent CLI tool.
+    '';
+    homepage = "https://github.com/projectdiscovery/mapcidr";
+    license = licenses.mit;
+    maintainers = with maintainers; [ hanemile ];
+  };
+}