ROG Ally: Add basic config as default.nix

asus/ally/rc71l/README.md

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+# [ROG Ally (2023)](https://rog.asus.com/gaming-handhelds/rog-ally/rog-ally-2023/)
+
+## BIOS
+
+The ROG Ally has a troublesome history with different BIOS versions creating different issues.
+At the time of writing, the current BIOS version 330 allows for working audio without further kernel patches.
+
+## Further resources
+
+- The steam module from https://github.com/Jovian-Experiments/Jovian-NixOS can be used to boot into the Steam Deck UI

asus/ally/rc71l/default.nix

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+{ pkgs, lib, ... }:
+{
+  imports = [
+    ../../../common/cpu/amd
+    ../../../common/cpu/amd/pstate.nix
+    ../../../common/gpu/amd
+    ../../../common/pc/laptop
+    ../../../common/pc/laptop/ssd
+    ../../battery.nix
+  ];
+
+  # 6.5 adds many fixes and improvements for the Ally
+  # This includes for example performance, audio and bluetooth
+  boot.kernelPackages = lib.mkIf (lib.versionOlder pkgs.linux.version "6.5") (lib.mkDefault pkgs.linuxPackages_latest);
+}