ncs: nrf_wifi: Update RPU patch to rev#4e1fb1bc47b#1902

karun2796 wants to merge 1 commit intonrfconnect:mainnrfconnect/sdk-nrfxlib:mainfrom

karun2796:wpspbc_ncs_nrfxlibkarun2796/sdk-nrfxlib:wpspbc_ncs_nrfxlibCopy head branch name to clipboard