add sound support in run_archiso.sh

also included serial output on stdio it helps in debugging without sight.

scripts/run_archiso.sh

@@ -86,12 +86,16 @@ run_image() {
         -drive "id=${mediatype}0,if=none,format=raw,media=${mediatype/hd/disk},readonly=on,file=${image}" \
         -display sdl \
         -vga virtio \
+        -audiodev pa,id=snd0 \
+        -device ich9-intel-hda \
+        -device hda-output,audiodev=snd0 \
         -device virtio-net-pci,romfile=,netdev=net0 -netdev user,id=net0 \
-        -machine type=q35,smm=on,accel=kvm \
+        -machine type=q35,smm=on,accel=kvm,pcspk-audiodev=snd0 \
         -global ICH9-LPC.disable_s3=1 \
         -enable-kvm \
         "${qemu_options[@]}" \
-        -no-reboot
+        -no-reboot \
+        -serial stdio
 }
 
 set_image() {