wireless-regdb: update to version 2021.08.28

wireless-regdb: update to version 2021.08.28

e983a25 Update regulatory rules for Ecuador (EC)
a0bcb88 wireless-regdb: Update regulatory rules for Norway (NO) on 6 and 60 GHz
cdf854d wireless-regdb: Update regulatory rules for Germany (DE) on 6GHz
86cba52 wireless-regdb: reduce bandwidth for 5730-5850 and 5850-5895 MHz in US
6fa2384 wireless-regdb: remove PTMP-ONLY from 5850-5895 MHz for US
9839e1e wireless-regdb: recent FCC report and order allows 5850-5895 immediately
42dfaf4 wireless-regdb: update 5725-5850 MHz rule for GB

Signed-off-by: Christian Lamparter <chunkeey@gmail.com>