liballegro: add config file to configure audio out & midi synthesizer

liballegro/Makefile

@@ -226,8 +226,9 @@ define Build/InstallDev
 endef
 
 define Package/liballegro/install
-	$(INSTALL_DIR) $(1)/usr
+	$(INSTALL_DIR) $(1)/usr  $(1)/etc
 	$(CP) $(PKG_INSTALL_DIR)/usr/lib $(1)/usr
+	$(CP) ./files/allegrorc $(1)/etc/
 endef
 
 define Package/liballegro-data/install

liballegro/files/allegrorc

@@ -0,0 +1,36 @@
+[system]
+keyboard = us
+language = en
+
+[mouse]
+mouse = -1
+
+[sound]
+digi_card = ALSA
+midi_card = DIGI
+quality = 2
+digi_volume = -1
+midi_volume = 50
+digi_voices = 32
+midi_voices = 32
+flip_pan = 0
+sound_port = -1
+sound_dma = -1
+sound_irq = -1
+sound_freq = 44100
+sound_bits = 16
+sound_stereo = 1
+oss_driver = /dev/dsp
+oss_numfrags = -1
+oss_fragsize = -1
+oss_midi_driver = /dev/sequencer
+esd_server =  
+alsa_card =  
+alsa_pcmdevice =  
+alsa_numfrags =  
+alsa_rawmidi_card =  
+alsa_rawmidi_device =  
+patches = /usr/share/allegro/digmid.dat
+
+[joystick]
+joytype = 0