also harmonize configuration files some more

Get type0_PDCCH_CSS_config parameters at the gNB. SIB1 initialization has been added at SI initialization. SIB1 was transmitted with static parameters.

MIB NR: pdcch_ConfigSIB1 selection and fill using the configuration file, and using a dynamic method.

This commit contains work done by Eurecom and by Benetel.

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

  -- pipeline is polling the develop-nr branch
  -- new conf file / new scenario files
  -- main python now supports LTE and 5G-NR executables in a Ubuntu/CentOS env

But NR-RRC-Definitions.asn file only include the NR-RRC-Definitions DEFINITIONS section
If we include the NR-UE-Variables into asn file, it will can't be compile in asn tool
and also some of implict problem for new version asn file

-Amend do_ServingCellConfigCommon function

- Create PDCCH structre in FAPI, it will be one of P7 structure
- Maintain Configuration Module