Current mode update

This commit updates owntech modules to implement the current mode.

## Update of HRTIM module

- Deleting unnecessary LL function generated by cubeMX, and replacing with clear functions.
- The adc for leg2 was triggered previously by the timing unit's CMP4, this commit replace it with CMP3 as CMP4 is used for current mode.

## Update of DAC module 

- Adding more trigger for sawtooth generation.
- Adding "External and Internal" mode for DAC output mode.
- Update dac_stm32_function_update_reset and dac_stm32_function_update_step to delete the lines disabling/enabling the DACs.

## Update of Comparator module

- Comparator 1 is now linked to DAC3 and comparator 3 to DAC1.

## Update of Hardware Configuration module

- Adding essential functions to set the current mode.
- Adding comparator_configuration files, adding changes to cmake and Kconfig in hardware configuration to include the comparator drivers.