The CONFIG_ZEPHYR_HAL_TDK_MODULE is always set if the module is on disk, introduce an implied symbol to prevent a cmake warning if no TDK drivers are needed. Signed-off-by: Pieter De Gendt <pieter.degendt@basalte.be>
https://github.com/tdk-invn-oss/zephyr.hal_tdk Signed-off-by: Aurelie Fontaine <aurelie.fontaine@tdk.com>