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/rtl88xxau-aircrack/default.nix

@@ -0,0 +1,45 @@
+{ lib, stdenv, fetchFromGitHub, kernel }:
+
+let
+  rev = "37e27f9165300c89607144b646545fac576ec510";
+in
+stdenv.mkDerivation rec {
+  pname = "rtl88xxau-aircrack";
+  version = "${kernel.version}-${builtins.substring 0 6 rev}";
+
+  src = fetchFromGitHub {
+    owner = "aircrack-ng";
+    repo = "rtl8812au";
+    inherit rev;
+    sha256 = "sha256-TpmpueKAaCe7Nlmv8pMvgMXGVmXVa/1mBwtEoy4JyCY=";
+  };
+
+  buildInputs = kernel.moduleBuildDependencies;
+
+  hardeningDisable = [ "pic" ];
+
+  NIX_CFLAGS_COMPILE="-Wno-error=incompatible-pointer-types";
+
+  prePatch = ''
+    substituteInPlace ./Makefile \
+      --replace /lib/modules/ "${kernel.dev}/lib/modules/" \
+      --replace '$(shell uname -r)' "${kernel.modDirVersion}" \
+      --replace /sbin/depmod \# \
+      --replace '$(MODDESTDIR)' "$out/lib/modules/${kernel.modDirVersion}/kernel/net/wireless/"
+  '';
+
+  preInstall = ''
+    mkdir -p "$out/lib/modules/${kernel.modDirVersion}/kernel/net/wireless/"
+  '';
+
+  enableParallelBuilding = true;
+
+  meta = with lib; {
+    description = "Aircrack-ng kernel module for Realtek 88XXau network cards\n(8811au, 8812au, 8814au and 8821au chipsets) with monitor mode and injection support.";
+    homepage = "https://github.com/aircrack-ng/rtl8812au";
+    license = licenses.gpl2Only;
+    maintainers = [ maintainers.jethro ];
+    platforms = [ "x86_64-linux" "i686-linux" "aarch64-linux" ];
+    broken = kernel.kernelAtLeast "5.18";
+  };
+}