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/kmod-blacklist-ubuntu/default.nix

@@ -0,0 +1,39 @@
+{ lib, stdenv, fetchurl }:
+
+let
+  version = "28-1ubuntu4"; # impish 2021-06-24
+
+in stdenv.mkDerivation {
+  pname = "kmod-blacklist";
+  inherit version;
+
+  src = fetchurl {
+    url = "https://launchpad.net/ubuntu/+archive/primary/+files/kmod_${version}.debian.tar.xz";
+    sha256 = "sha256-K8tWpaLmCm3Jcxw3OZ+D7Koiug7epooRn1YMfqjGAiw=";
+  };
+
+  installPhase = ''
+    mkdir "$out"
+    for f in modprobe.d/*.conf; do
+      echo "''\n''\n## file: "`basename "$f"`"''\n''\n" >> "$out"/modprobe.conf
+      cat "$f" >> "$out"/modprobe.conf
+      # https://bugs.launchpad.net/ubuntu/+source/kmod/+bug/1475945
+      sed -i '/^blacklist i2c_i801/d' $out/modprobe.conf
+    done
+
+    substituteInPlace "$out"/modprobe.conf \
+      --replace "blacklist bochs-drm" "" \
+      --replace /sbin/lsmod /run/booted-system/sw/bin/lsmod \
+      --replace /sbin/rmmod /run/booted-system/sw/bin/rmmod \
+      --replace /sbin/modprobe /run/booted-system/sw/bin/modprobe \
+      --replace " grep " " /run/booted-system/sw/bin/grep " \
+      --replace " xargs " " /run/booted-system/sw/bin/xargs "
+  '';
+
+  meta = with lib; {
+    homepage = "https://launchpad.net/ubuntu/+source/kmod";
+    description = "Linux kernel module blacklists from Ubuntu";
+    platforms = platforms.linux;
+    license = with licenses; [ gpl2Plus lgpl21Plus ];
+  };
+}