CONFIG_DT_COMTREND_VR3032U is not available for the selected architecture x86.
Result is shown for architecture mips

Comtrend VR-3032u

configname: CONFIG_DT_COMTREND_VR3032U

Built-in device tree
└─>Comtrend VR-3032u
In linux kernel since version 4.1 (release Date: 2015-06-21)