[nrf fromlist] soc: nordic: nrf54l: Clean up internal capacitance calculations#2848

mstasiaknordic wants to merge 2 commits intonrfconnect:mainnrfconnect/sdk-zephyr:mainfrom

mstasiaknordic:nrf54l_lfxo_capmstasiaknordic/sdk-zephyr:nrf54l_lfxo_capCopy head branch name to clipboard