Use source compiled OVMF in Asterinas

tools/qemu_args.sh

@@ -155,7 +155,7 @@ if [ "$OVMF" = "on" ]; then
     if [ "$1" = "test" ]; then
         echo "We use QEMU direct boot for testing, which does not support OVMF, ignoring OVMF" 1>&2
     else
-        OVMF_PATH="/usr/share/OVMF"
+        OVMF_PATH="/root/ovmf/release"
         QEMU_ARGS="${QEMU_ARGS} \
             -drive if=pflash,format=raw,unit=0,readonly=on,file=$OVMF_PATH/OVMF_CODE.fd \
             -drive if=pflash,format=raw,unit=1,file=$OVMF_PATH/OVMF_VARS.fd \