[nrf52840] don't reinitialize cc310 during pseudo reset (#2897)
[nrf52840] don't reinitialize cc310 during pseudo reset (#2897)

The device hangs when reinitialize cc310.
srickardti/openthread,lanyuwen/openthread,LeZhang2016/openthread,bukepo/openthread,bukepo/openthread,librasungirl/openthread,abtink/openthread,LeZhang2016/openthread,gandreello/openthread,erja-gp/openthread,librasungirl/openthread,chshu/openthread,LeZhang2016/openthread,erja-gp/openthread,turon/openthread,librasungirl/openthread,gandreello/openthread,openthread/openthread,jwhui/openthread,chshu/openthread,chshu/openthread,chshu/openthread,gandreello/openthread,abtink/openthread,erja-gp/openthread,srickardti/openthread,lanyuwen/openthread,turon/openthread,openthread/openthread,bukepo/openthread,turon/openthread,gandreello/openthread,lanyuwen/openthread,erja-gp/openthread,jwhui/openthread,gandreello/openthread,erja-gp/openthread,LeZhang2016/openthread,lanyuwen/openthread,gandreello/openthread,jwhui/openthread,openthread/openthread,chshu/openthread,srickardti/openthread,srickardti/openthread,turon/openthread,chshu/openthread,lanyuwen/openthread,bukepo/openthread,LeZhang2016/openthread,lanyuwen/openthread,librasungirl/openthread,abtink/openthread,jwhui/openthread,erja-gp/openthread,openthread/openthread,LeZhang2016/openthread,abtink/openthread