fixed some SIB display messages in rrc_UE.c. Scheduling policy and priorities in lte-ue.c for SCHED_FIFO operation (with USRP B210).

git-svn-id: http://svn.eurecom.fr/openair4G/trunk@7714 818b1a75-f10b-46b9-bf7c-635c3b92a50f