nimble/nrf52_phy: Fix for incorrectly matching access address
nimble/nrf52_phy: Fix for incorrectly matching access address

Without this controller was accepting packets with different access address than
configured.

This fixes certification testse LL/ENC/ADV/BI-02 and LL/ENC/INI/BI-01

apache/mynewt-nimble,apache/mynewt-nimble,apache/mynewt-nimble,apache/mynewt-nimble,apache/mynewt-nimble