ciao-scheduler: read lock compute node pack in node picker
ciao-scheduler: read lock compute node pack in node picker

The net node picker correctly read locks in its node picker, but for some
reason there's a write lock on the compute node picker.  I blame London and
jetlag for the oversight.

Signed-off-by: Tim Pepper <8dbd764830e941d092a1cb7fa16423169acc0b04@linux.intel.com>

tpepper/ciao,ciao-project/ciao,markdryan/ciao,rbradford/ciao,mcastelino/ciao,obedmr/ciao,ciao-project/ciao,mcastelino/ciao,mrkz/ciao,mcastelino/ciao,wcwxyz/ciao,leoswaldo/ciao,wcwxyz/ciao,tpepper/ciao,leoswaldo/ciao,chavafg/ciao,obedmr/ciao,mrkz/ciao,jorgevgut/ciao,wcwxyz/ciao,matthewrsj/ciao,mrkz/ciao,jorgevgut/ciao,tpepper/ciao,matthewrsj/ciao,chavafg/ciao,obedmr/ciao,kaccardi/ciao,erick0z/ciao,erick0z/ciao,jorgevgut/ciao,leoswaldo/ciao,kaccardi/ciao,01org/ciao,rbradford/ciao,erick0z/ciao,markdryan/ciao,matthewrsj/ciao,01org/ciao