Merge branch 'develop'

.gitlab-ci.yml

cmake_targets/CMakeLists.txt

cmake_targets/autotests/run_exec_lte-softmodem_tests.py

cmake_targets/autotests/test_case_list.xml

cmake_targets/autotests/tools/remove_old_programs.bash

cmake_targets/tools/build_helper

openair2/RRC/LITE/MESSAGES/asn1c/asn1cpatch.p0

openair2/RRC/LITE/rrc_eNB_S1AP.c

openair3/S1AP/MESSAGES/ASN1/asn1cpatch.p0

openair3/S1AP/MESSAGES/ASN1/asn1cpatch_2.p0

openair3/S1AP/MESSAGES/ASN1/asn1cpatch_3.p0

openair3/S1AP/s1ap_eNB_nas_procedures.c