Benjamin DELATTRE

Update nrf_calendar.c

1

Add because it sometimes happens that "nrf_cal_get_time" is called when CAL_RTC->COUNTER hasn't been yet trully reseted after a CAL_RTC->TASKS_CLEAR See TASK and EVENT jitter/delay here : https://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.nrf52832.ps.v1.1%2Ftimer.html

It sometimes happens that "nrf_cal_get_time" is called when COUNTER hasn't been yet trully reseted See TASK and EVENT jitter/delay here : https://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.nrf52832.ps.v1.1%2Ftimer.html