wifi: iwlwifi: mvm: allow NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT

We can allow NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT since we
just use the elements from mac80211.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230417113648.88b1a70365fd.If5030437707ab67e2146291c1517a9b0e31d01ab@changeid


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