NR MIMO 2x2 Support

This commit provides CSI reporting support
which is required for MIMO.  It also updates
the configuration files, provides sample BLER
simualtion files for packet dropping in the
MIMO 2x2 case. It also includes the hooks
and functions (e.g., updating UCI2_3_4 PDU field)
for MIMO 2x2 support. This commit will not include
any channel abstraction code or modelling.

openair2/NR_PHY_INTERFACE/NR_IF_Module.h

@@ -125,7 +125,7 @@ void NR_IF_Module_kill(int Mod_id);
 
 void NR_UL_indication(NR_UL_IND_t *UL_INFO);
 
-void RCconfig_nr_ue_L1(void);
+void RCconfig_nr_ue_macrlc(void);
 
 /*Interface for Downlink, transmitting the DLSCH SDU, DCI SDU*/
 void NR_Schedule_Response(NR_Sched_Rsp_t *Sched_INFO);