sanitycheck: update sections whitelist

In c20ff1150f717d79374997ed3b429b2449d2c3b8
and 5f19c8160ade6d5ef5ef5e440e86cf4468210542
(PR #16897)
_bt_settings_area was replaced with _settings_handlers_area

Update sanitycheck sections whitelist accordingly

Signed-off-by: Alberto Escolar Piedras <alpi@oticon.com>
1 file changed