In function nrf_drv_clock_init(nrf_drv_clock_config_t const * p_config)
#ifndef SOFTDEVICE_PRESENT
m_clock_cb.lfclk_requests = 0;
nrf_clock_xtalfreq_set(CLOCK_CONFIG_XTAL_FREQ);
nrf_clock_lf_src_set((nrf_clock_lf_src_t)CLOCK_CONFIG_LF_SRC);
why if i define SOFTDEVICE_PRESENT,,it will not init set clock source?