added more boot params

hosts/hakase/configuration.nix

@@ -159,7 +159,15 @@
   boot.loader.limine.maxGenerations = 5;
   hardware.amdgpu.initrd.enable = true;
 
-  boot.kernelParams = ["quiet"];
+  boot.kernelParams = [
+    "quiet"
+    "splash"
+    "boot.shell_on_fail"
+    "udev.log_priority=3"
+    "rd.systemd.show_status=auto"
+    "iommu=pt"
+    "amd_pstate=active"
+  ];
   boot.kernelPackages = pkgs.linuxPackages_cachyos;
   boot.kernel.sysctl = {
     "kernel.split_lock_mitigate" = 0;
@@ -173,6 +181,13 @@
     verbose = false;
   };
   boot.plymouth.enable = true;
+  boot.plymouth.theme = "seal";
+  boot.plymouth.themePackages = with pkgs; [
+    # By default we would install all themes
+    (adi1090x-plymouth-themes.override {
+      selected_themes = ["seal"];
+    })
+  ];
   boot.consoleLogLevel = 0;
   systemd.extraConfig = "DefaultTimeoutStopSec=5s";
   # networking.firewall.allowedTCPPorts = [ ... ];