You need install additional packages:
sudo yum install epel-release
sudo yum install proj
sudo yum install tinyxml
sudo yum install libzip
if You have trouble with repo
wget https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
sudo yum install epel-release-7.noarch.rpm
than
sudo yum -y install mysql-workbench-community