[Coverity CID :190925]Memory - corruptions in /subsys/bluetooth/controller/hci/hci_driver.c

[mandarcthorat1]

Static code scan issues seen in File: /subsys/bluetooth/controller/hci/hci_driver.c
Category: Memory - corruptions
Function: process_hbuf
Component: Bluetooth
CID: 190925
Please fix or provide comments to square it off in coverity in the link: https://scan9.coverity.com/reports.htm#v32951/p12996

[carlescufi]

False positive, dismissed in coverity