regsim: fix core's failure cases on init
regsim: fix core's failure cases on init

Handle clearing regulatory core components when probing
devices fail.

Signed-off-by: Luis R. Rodriguez <d4fa18192c5a479e564d29c2300c2e15afd1d8d7@do-not-panic.com>

mcgrof/regsim,mcgrof/regsim