Base profile: Add USE config for scummvm

profiles/base/package.use

@@ -134,6 +134,7 @@ app-emulation/wine cups fontconfig jpeg ncurses openal opengl perl pipelight png
 app-shells/rc readline
 app-text/evince djvu nsplugin -postscript tiff xps
 dev-python/pillow jpeg jpeg2k tiff truetype zlib
+games-engines/scummvm alsa flac fluidsynth jpeg mp3 opengl png theora truetype vorbis zlib
 games-simulation/openttd aplaymidi iconv -timidity zlib
 gnome-base/nautilus exif -previewer
 mail-client/claws-mail clamav dbus imap nntp perl rss session spam-report spell startup-notification xface -libcanberra -libindicate -python
@@ -146,6 +147,7 @@ media-libs/libpng apng
 media-libs/libsdl X alsa opengl pulseaudio
 media-libs/openal pulseaudio  # WINE.
 media-libs/tiff jpeg
+media-sound/fluidsynth alsa pulseaudio readline sndfile
 media-sound/timidity++ alsa
 media-video/ffmpeg X cdio cpudetection faac gsm ladspa lzma opus pulseaudio speex theora truetype vaapi vorbis vpx wavpack webp
 media-video/mpv jpeg pulseaudio