linux_lqx: init at 5.9.15

Same source as linux_zen but with a release schedule that's not quite as
bleeding edge. For example, it's currenly on the newest 5.9 release while
linux_zen is already on 5.10 and won't release future 5.9 fixes.

Originally meant for debianish Distros.

pkgs/os-specific/linux/kernel/linux-lqx.nix

@@ -0,0 +1,24 @@
+{ stdenv, fetchFromGitHub, buildLinux, ... } @ args:
+
+let
+  version = "5.9.15";
+in
+
+buildLinux (args // {
+  modDirVersion = "${version}-lqx1";
+  inherit version;
+  isZen = true;
+
+  src = fetchFromGitHub {
+    owner = "zen-kernel";
+    repo = "zen-kernel";
+    rev = "v${version}-lqx1";
+    sha256 = "1srkybhgm3rsmhs4m8ipv1zi4y1dxnlicgh0x9v2g4myn58lin57";
+  };
+
+  extraMeta = {
+    branch = "5.9/master";
+    maintainers = with stdenv.lib.maintainers; [ atemu ];
+  };
+
+} // (args.argsOverride or {}))