mac80211_hwsim: report the WIPHY_FLAG_SUPPORTS_5_10_MHZ capability

Signed-off-by: Ramon Fontes <ramonreisfontes@gmail.com>
Link: https://lore.kernel.org/r/20200515164640.97276-1-ramonreisfontes@gmail.com


[fix indentation to use tabs]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>