FROMGIT: wifi: cfg80211: make BSS source types public

Define public enum with BSS source types in core.h. Upcoming patches
need this to store BSS source type in struct cfg80211_internal_bss.

Signed-off-by: Veerendranath Jakkam <quic_vjakkam@quicinc.com>
Link: https://patch.msgid.link/20240904030917.3602369-2-quic_vjakkam@quicinc.com


Signed-off-by: Johannes Berg <johannes.berg@intel.com>

Bug: 338006731
(cherry picked from commit 0fdcc994
 https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next.git

 main)
Change-Id: I2f0a9ac29622230c0aa62640760c162cb4304bf2
Signed-off-by: Veerendranath Jakkam <quic_vjakkam@quicinc.com>