fickit: Use dm-crypt key is not changed during updates

fickit-update.yml

@@ -34,8 +34,10 @@ files:
           mdadm --auto-detect
           mdadm --assemble /dev/md2 /dev/sd*1
           BOOT_PART=/dev/md2
+          META_PART=/dev/md3
       else
           BOOT_PART=/dev/sda1
+          META_PART=/dev/sda2
       fi
 
       ip link set eth0 up
@@ -59,7 +61,7 @@ files:
       done
 
       mount "${BOOT_PART}" /boot/ &&
-        /root/update_imgs "${GW}" ||
+        /root/update_imgs "${GW}" "${META_PART}" ||
         /bin/ash
 
       umount /boot &&