Wifi HE (ieee80211ax) parsing is currently only activated in the full
version because it increases the compressed size by 2.5KBytes.
This also activates link time optimization (LTO) again, the problem was
fixed upstream
This increases the uncompressed binary size of iw-tiny by about 1.7%
old:
34446 iw_5.0.1-1_mipsel_24kc.ipk
new:
35064 iw_5.3-1_mipsel_24kc.ipk
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>