iwlwifi: mvm: propagate LDPC / STBC status to radiotap

This will allow to get sniffer captures with correct
settings for these HT / VHT capabilities.
Also set the corresponding HAVE_MCS / VHT_KNOWN bits in
the registration to mac80211.

Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

diff --cc drivers/net/wireless/iwlwifi/mvm/fw-api-rs.h
Simple merge

diff --cc drivers/net/wireless/iwlwifi/mvm/mac80211.c
Simple merge

diff --cc drivers/net/wireless/iwlwifi/mvm/rs.c
Simple merge

diff --cc drivers/net/wireless/iwlwifi/mvm/rx.c
Simple merge