iw: bump to 5.19

iw: bump to 5.19

  7e06706 iw: event: report missing radar events
  5909e73 iw: survey: add support for radio stats
  64bf570 update nl80211.h
  0900996 iw: print Radar background capability if supported
  56c6077 iw: print out assoc comeback event
  a4e5418 iw: support 160MHz frequency command for 6GHz band
  5a71b72 iw: Print local EHT capabilities
  e3287a1 station: print EHT rate information
  ff67fb2 iw: fix double tab in mesh path header
  05a5267 iw: fix 'upto' -> 'up to'
  00a2985 iw: handle VHT extended NSS
  82e0bd1 update nl80211.h
  c95877c info: add missing extended features
  0976378 info: refactor extended features
  79f20cb bump version to 5.19

Sync nl80211.h with our version of mac80211 and remove parts of the iw
code that are not supported by our version of mac80211.

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>