Updated to latest nvbit (#487)

Author: Connie120

util/tracer_nvbit/install_nvbit.sh

@@ -3,6 +3,6 @@ export BASH_ROOT="$( cd "$( dirname "$BASH_SOURCE" )" && pwd )"
 
 rm -rf $BASH_ROOT/nvbit_release
 mkdir -p "$BASH_ROOT/nvbit_release"
-wget https://github.com/NVlabs/NVBit/releases/download/v1.7.5/nvbit-Linux-x86_64-1.7.5.tar.bz2
-tar -xf nvbit-Linux-x86_64-1.7.5.tar.bz2 -C "$BASH_ROOT/nvbit_release" --strip-components=1
-rm nvbit-Linux-x86_64-1.7.5.tar.bz2
+wget https://github.com/NVlabs/NVBit/releases/download/v1.7.6/nvbit-Linux-x86_64-1.7.6.tar.bz2
+tar -xf nvbit-Linux-x86_64-1.7.6.tar.bz2 -C "$BASH_ROOT/nvbit_release" --strip-components=1
+rm nvbit-Linux-x86_64-1.7.6.tar.bz2