wifi: mac80211_hwsim: Update comments in header

- Reorders 'HWSIM_ATTR_PAD' to after 'HWSIM_ATTR_FREQ',
  matching order in 'enum hwsim_attrs'
- Change references from old commands to new names
- Fixes typos

Signed-off-by: Alex Gavin <alex.gavin@candelatech.com>
Link: https://patch.msgid.link/20250710211437.8516-1-alex.gavin@candelatech.com


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