Conflicts:
	openair1/PHY/INIT/lte_init.c
	openair1/PHY/MODULATION/beamforming.c
	openair1/PHY/defs.h
	targets/RT/USER/lte-enb.c

Conflicts:
	targets/RT/USER/lte-enb.c
	targets/RT/USER/lte-softmodem.c

when testing on haswell, using apt-get to install LimeSDR
libraries and includes, it put it in /usr/include, not
/usr/local/include

Beamforming is now only done when necessary. This patch is based on one from enhancement-10-harmony.

Conflicts:
	targets/RT/USER/lte-softmodem.c

reduced the max number of antenna ports to 6 to save memory (we are not using antenna port >5 anyway)
mult_cpx_conj_vector can now also do multiply add
beam_precoding now uses mult_cpx_conj_vector

Conflicts:
	openair1/PHY/MODULATION/beamforming.c

Develop integration w02

See merge request !82

This is the real fix, d5a68178
was not the right solution.

Merge branch 'enhancement-10-harmony' of https://gitlab.eurecom.fr/oai/openairinterface5g into enhancement-10-harmony

Conflicts:
	openair1/SCHED/phy_procedures_lte_eNb.c
	targets/RT/USER/lte-enb.c

Merge branch 'enhancement-10-harmony' of https://gitlab.eurecom.fr/oai/openairinterface5g into enhancement-10-harmony

Conflicts:
	targets/RT/USER/lte-softmodem.c