src/device.c: Fix crash issue during bonding

src/device.c: Fix crash issue during bonding

Usage of rpa_addr and rpa is mixed during upgrade

src/adapter.c:bonding_attempt_complete() hci0 bdaddr 94:8B:C1:14:D4:9B type 0 status 0x0
src/device.c:device_bonding_complete() bonding (nil) status 0x00
src/adapter.c:mgmt_debug() src/shared/mgmt.c:can_read_data() [0x0000] event 0x0018
src/adapter.c:new_irk_callback() hci0 new IRK for 94:8B:C1:14:D4:9B RPA 00:00:00:00:00:00
Jan 01 09:09:37 localhost audit[4350]: ANOM_ABEND auid=4294967295 uid=551 gid=551 ses=4294967295 subj=System pid=4350 comm="bluetoothd" exe="/usr/libexec/bluetooth/bluetoothd" sig=11 res=1

Change-Id: I4b67e1fe2728391fe8cb3339e7784748d00861a0
Signed-off-by: Wootak Jung <wootak.jung@samsung.com>