amiberry: backport cmake-4 fix

Without the change the buidl fails in `master` as
https://hydra.nixos.org/build/310522154:

    CMake Error at external/capsimage/CMakeLists.txt:1 (cmake_minimum_required):
      Compatibility with CMake < 3.5 has been removed from CMake.

Co-authored-by: Rafael Ieda <60272+iedame@users.noreply.github.com>

pkgs/by-name/am/amiberry/package.nix

@@ -2,6 +2,7 @@
   lib,
   stdenv,
   fetchFromGitHub,
+  fetchpatch,
   cmake,
   copyDesktopItems,
   makeWrapper,
@@ -28,6 +29,15 @@ stdenv.mkDerivation (finalAttrs: {
     hash = "sha256-EOoVJYefX2pQ2Zz9bLD1RS47u/+7ZWTMwZYha0juF64=";
   };
 
+  patches = [
+    # cmake-4 support
+    (fetchpatch {
+      name = "cmake-4.patch";
+      url = "https://github.com/BlitterStudio/amiberry/commit/dbd85a37147603875b9ca51a9409c65a26c0d60a.patch?full_index=1";
+      hash = "sha256-w8Z9yhNafbXWv3nV8GDNpks2R1+M12uG1mWWrwVaEUk=";
+    })
+  ];
+
   nativeBuildInputs = [
     cmake
     copyDesktopItems