update nixpkgs and use upstream qemu

flake.lock

@@ -18,11 +18,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1706107048,
-        "narHash": "sha256-SqcJ9KxQVY+eLojoqYuJhWa4+D9utUzEuFJzOcUS8iY=",
+        "lastModified": 1709237383,
+        "narHash": "sha256-cy6ArO4k5qTx+l5o+0mL9f5fa86tYUX3ozE1S+Txlds=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "6fd7935607b68a96949b51ff08f12109e99ffd1f",
+        "rev": "1536926ef5621b09bba54035ae2bb6d806d72ac8",
         "type": "github"
       },
       "original": {

flake.nix

@@ -251,18 +251,6 @@
         hardeningDisable = [ "fortify" ];
       };
 
-      # Overriding qemu since the current linux kernel package upstream is breaking
-      qemu = pkgs.qemu.overrideAttrs (oldAttrs: rec {
-        version = "8.2.1";
-        src = pkgs.fetchurl {
-          url = "https://download.qemu.org/qemu-${version}.tar.xz";
-          hash = "sha256-hWJ1EVgXX50YfF8itXVVq+PIcPAyXIztEsNMbZh3Kb4=";
-        };
-        # This patch was already removed upstream. Need to manually remove here to avoid errors.
-        # https://github.com/NixOS/nixpkgs/commit/d422836d725cf3aa70204036b4634dbc6fc3f678?diff=unified&w=0
-        patches = builtins.filter (x: (x.name or "") != "9d5b42beb6978dc6219d5dc029c9d453c6b8d503.diff") oldAttrs.patches;
-      });
-
       board-package-set = { board }: let
         fsbl = pkgs.stdenv.mkDerivation {
           name = "${board}-fsbl";
@@ -427,7 +415,7 @@
         not-os-qemu = let
           qemuScript = ''
             #!/bin/bash
-            export PATH=${qemu}/bin:$PATH
+            export PATH=${pkgs.qemu}/bin:$PATH
             IMGDIR=$(mktemp -d /tmp/not-os-qemu-XXXXXX)
             BASE=$(realpath $(dirname $0))
             qemu-img create -F raw -f qcow2 -b $BASE/sd-image.img $IMGDIR/sd-overlay.qcow2 512M