meson: enable dvbin by default again

This was disabled by default in 99cef59 (from 2017)
due to build issues with old kernel headers.
Whatever was considered old at that time will be ancient now
and with the last commit there should be no isses auto-detecting it.

meson_options.txt

@@ -11,7 +11,7 @@ option('ta-leak-report', type: 'boolean', value: false, description: 'enable ta
 # misc features
 option('cdda', type: 'feature', value: 'disabled', description: 'cdda support (libcdio)')
 option('cplugins', type: 'feature', value: 'auto', description: 'C plugins')
-option('dvbin', type: 'feature', value: 'disabled', description: 'DVB input module')
+option('dvbin', type: 'feature', value: 'auto', description: 'DVB input module')
 option('dvdnav', type: 'feature', value: 'disabled', description: 'dvdnav support')
 option('iconv', type: 'feature', value: 'auto', description: 'iconv')
 option('javascript', type: 'feature', value: 'auto', description: 'Javascript (MuJS backend)')