put back logs for asn1c installation

cmake_targets/tools/build_helper

@@ -280,6 +280,9 @@ check_install_oai_software() {
 }
 
 install_asn1c_from_source(){
+    asn1_install_dir=$OPENAIR_DIR/cmake_targets/log/asn1c_install_log.txt
+    echo_info "\nInstalling ASN1. The log file for ASN1 installation is here: $asn1_install_dir "
+    (
     rm -rf /tmp/asn1c-r1516
     mkdir -p /tmp/asn1c-r1516
     cd /tmp/asn1c-r1516
@@ -290,6 +293,7 @@ install_asn1c_from_source(){
     ./configure
     make -j`nproc`
     $SUDO make install
+    ) > $asn1_install_dir 2>&1
 }
 
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