Update nric install script

openairinterface5g/openairinterface-install-scripts/nric_flexric_oai_install.sh

@@ -47,6 +47,8 @@ cd $WORK_DIR/
 sudo rm -rf flexric/
 git clone https://projetos.imd.ufrn.br/reginalab/nric-flexric.git flexric
 cd $WORK_DIR/flexric
+git remote add upstream https://gitlab.eurecom.fr/mosaic5g/flexric.git
+sudo rm -rf build/
 mkdir $WORK_DIR/flexric/build
 cd $WORK_DIR/flexric/build
 cmake ..
@@ -59,9 +61,9 @@ cd $WORK_DIR/
 sudo rm -rf oai/
 git clone https://projetos.imd.ufrn.br/reginalab/nric-oai oai
 cd $WORK_DIR/oai
+git remote add upstream https://gitlab.eurecom.fr/oai/openairinterface5g.git
 git config --global user.email "you@example.com"
 git config --global user.name "Your Name"
 
-source oaienv
 cd cmake_targets
 sudo ./build_oai -I -w USRP --gNB --nrUE --build-e2 --ninja
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