Bluetooth: Don't write static address during power on

Since we always update the random address before enabling advertising,
scanning and initiating LE connections there is no need to write the
random address add power on.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

diff --cc net/bluetooth/mgmt.c
Simple merge