wifi: ath11k: MBSSID beacon support

- Split ath11k_mac_setup_bcn_tmpl() to move the beacon retrieval and
  WMI command to a new function, ath11k_mac_setup_bcn_tmpl_legacy().
  In the original function add checks to use the transmitting interface
  when MBSSID is enabled.
- Set rsnie_present and wpaie_present fields for the non-transmitting
  interfaces when MBSSID is enabled.

Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.7.0.1-01744-QCAHKSWPL_SILICONZ-1

Signed-off-by: Aloka Dixit <quic_alokad@quicinc.com>
Co-developed-by: John Crispin <john@phrozen.org>
Signed-off-by: John Crispin <john@phrozen.org>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20230405221648.17950-7-quic_alokad@quicinc.com