[nrf fromlist] drivers: timer: nrf_rtc_timer: Allow use of custom bit width#2976

rlubos merged 2 commits intonrfconnect:mainnrfconnect/sdk-zephyr:mainfrom

mstasiaknordic:rtc_custom_bitwidthmstasiaknordic/sdk-zephyr:rtc_custom_bitwidthCopy head branch name to clipboard