make: Entering directory `/usr/lfs/hdd_v1/rc-buildroot-test/scripts/instance-1/buildroot'
Makefile:587: *** linux is in the dependency chain of dtbocfg that has added it to its _DEPENDENCIES variable without selecting it or depending on it from Config.in.  Stop.
make: Leaving directory `/usr/lfs/hdd_v1/rc-buildroot-test/scripts/instance-1/buildroot'