it will be mounted by PARTUUID which makes the kernel find the
appropriate disk automatically.
+ config TARGET_ROOTFS_PERSIST_VAR
+ bool "Make /var persistent"
+ default n
+ help
+ Do not symlink /var to /tmp, so that its content will persist
+ across reboots. When enabled, /var/run will still be linked
+ to /tmp/run.
+
endmenu