Channel Selection Algorithm #2

[zephyrbot]

Reported by Vinayak Kariappa Chettimada:

Implement BT 5.0 Channel Selection Algorithm #2 feature.

(Imported from Jira ZEP-2033)

[zephyrbot]

by Vinayak Kariappa Chettimada:

https://gerrit.zephyrproject.org/r/#/c/12731/