Merge pull request #30449 from hhomar/mpv-enable-dvb-linux

mpv: enable dvb on Linux

pkgs/applications/video/mpv/default.nix

···
     (enableFeature dvdnavSupport "dvdnav")
     (enableFeature vaapiSupport "vaapi")
     (enableFeature waylandSupport "wayland")
+    (enableFeature stdenv.isLinux "dvbin")
   ];
 
   configurePhase = ''