[nrf fromtree] drivers: sensor: qdec: fix QDEC overflow handling#2101

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

mstasiaknordic:fix_nrf_qdec_overflowmstasiaknordic/sdk-zephyr:fix_nrf_qdec_overflowCopy head branch name to clipboard