-Amend do_ServingCellConfigCommon function

"implicit declaration of function"
"incompatible pointer type'

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

- Create task for GAB_APP and GAN_RRC
- Create the NR FAPI for P5 interface
- *It could be build, but still have a lot of warning need to maintain

2.NR RRC do_SERVINGCELLCONFIGCOMMON for all of common config. will be transmit to lower layer by rrc_mac_config_req_gNB"