p2p: avoid adding duplicate channel lists

Currently 6Ghz channels are categorized to IEEE80211A mode,
this will result in duplicate channel lists on adding
channels to the list.

Just add bands and the callee will check the band support.

Bug: 238652636
Test: atest vts
Merged-In: I4185ad15bfa06dd41765d9fe5f159ad0d9e5f017
Change-Id: I4185ad15bfa06dd41765d9fe5f159ad0d9e5f017
(cherry picked from commit afee24e08eea60c01199ec45f214bf1f2b2df535)
1 file changed