hci: move link key lookup from hci_run into event handler

hci: fix build without ENABLE_CLASSIC_PAIRING_OOB

hci: reset OOB data on pairing complete and disconnect

fix build with ENABLE_BLE and without ENABLE_CENTRAL

gap: reset stack pairing state on hci command complete

hci: reset connection struct on disconnection complete event for potential create connection triggered by user

hci: extract hci_connection_init, reset con handle and role on create connection

hci: stop timers early on hci disconnection complete

gap: only check for MITM potential if required and OOB not supported

Also skip if ENABLE_EXPLICIT_IO_CAPABILITIES_REPLY defined

gap: don't wait for remote feature complete before responding to io capabilities request

if features are not available, skip SC check if level 4 is required. security level will be evaluated again o

gap: don't wait for remote feature complete before responding to io capabilities request

if features are not available, skip SC check if level 4 is required. security level will be evaluated again on encryption complete

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hci: fix build without Classic

gap: local name, EIR data, class of device and default link policy can be updated at any time

hci: respond to io capabilities request after remote features have been retrieved

hci: extract hci_ssp_assess_security_on_io_cap_request

hci: prioritize remote feature requests over pairing commands

hci: use bool where possible, uint16_t for sco packet size

hci: packet send functions return status

hci: use bool for can send now API functions

hci: use bool for hci_reserve_packet_buffer

hci: use bool for packet buffer reserved

gap: consider OOB data on both sides when evaluation possible security level

gap: reject iocap request if capabilities insufficient and OOB not supported

gap: ignore remote P-256 OOB data if SC not active

gap: store remote io cap oob data flag

gap: update table in hci_ssp_security_level_possible_for_io_cap