dtc: fix the test against glibc-2.41 (#390474)

pkgs/by-name/dt/dtc/package.nix

···
       url = "https://github.com/dgibson/dtc/commit/9a969f3b70b07bbf1c9df44a38d7f8d1d3a6e2a5.patch";
       hash = "sha256-YrRzc3ATNmU6LYNHEQeU8wtjt1Ap7/gNFvtRR14PQEE=";
     })
+    # glibc-2.41 support
+    (fetchpatch2 {
+      url = "https://github.com/dgibson/dtc/commit/ce1d8588880aecd7af264e422a16a8b33617cef7.patch";
+      hash = "sha256-t1CxKnbCXUArtVcniAIdNvahOGXPbYhPCZiTynGLvfo=";
+    })
   ];
 
   env.SETUPTOOLS_SCM_PRETEND_VERSION = finalAttrs.version;