drivers: clock_control: stm32: Convert drivers to new DT device macros

Convert clock_control drivers from:

    DEVICE_AND_API_INIT -> DEVICE_DT_DEFINE

As part of this we also changed STM32_CLOCK_CONTROL_NAME to be based on
devicetree.

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
4 files changed