DOC: update on feature list

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

README.txt

@@ -44,7 +44,8 @@ openairinterface5g
 RELEASE NOTES:
 
 v1.1.0 -> July 2019. This version adds the following implemented features:
-           * Experimental support of LTE-M (only one module attachement)
+           * Experimental support of LTE-M
+             - Single LTE-M UE attachment, legacy-LTE UE attachment is disabled
            * X2 interface and handover (also X2-U interface)
              - In FDD and TDD
            * CU/DU split (F1 interface)

doc/FEATURE_SET.md

@@ -33,10 +33,12 @@ The Physical layer implements **3GPP 36.211**, **36.212**, **36.213** and provid
 - Max number of antennas: 2
 - CQI/PMI reporting: aperiodic, feedback mode 3 - 0 and 3 - 1
 - PRACH preamble format 0
-- All downlink (DL) channels are supported: PSS, SSS, PBCH, PCFICH, PHICH, PDCCH, PDSCH, PMCH
-- All uplink (UL) channels are supported: PRACH, PUSCH, PUCCH (format 1/1a/1b), SRS, DRS
+- Downlink (DL) channels are supported: PSS, SSS, PBCH, PCFICH, PHICH, PDCCH, PDSCH, PMCH, MPDCCH
+- Uplink (UL) channels are supported: PRACH, PUSCH, PUCCH (format 1/1a/1b), SRS, DRS
 - HARQ support (UL and DL)
 - Highly optimized base band processing (including turbo decoder)
+- Multi-RRU support: over the air synchro b/ multi RRU in TDD mode
+- Support for CE-modeA for LTE-M. Limited support for repeatition, single-LTE-M connection, legacy-LTE UE attach is disabled.
 
 ### Performances ###
 
@@ -136,6 +138,7 @@ The X2AP layer is based on **3GPP 36.423** v14.6.0 and implements the following
  - UE Context Release
  - X2 timers (t_reloc_prep, tx2_reloc_overall)
  - Handover Cancel
+ - X2-U interface implemented
 
 ## eNB Advanced Features ##