fixup: add to use the default configuration from the package

fixups/S00-startup

@@ -9,3 +9,9 @@ mkdir -p /etc/flash-kernel
 cat>/etc/flash-kernel/machine<<__EOF
 @@DEFAULT_MACHINE_NAME@@
 __EOF
+
+cat>/etc/apt/apt.conf.d/99debconf<<__EOF
+Dpkg::Options {
+  "--force-confnew";
+};
+__EOF

fixups/S99-cleanup

@@ -6,3 +6,4 @@ truncate -s 0 /etc/machine-id
 apt clean
 
 rm -f /etc/flash-kernel/machine
+rm -f /etc/apt/apt.conf.d/99debconf