i am using Magento 2.1.2,
in the file Magento_ConfigurableProduct\templates\ product\view\type\options\configurable.phtml,
i have dropdown, which shows the simple project associated to ConfigurableProduct.
i need to change Drop down to list with following format.
[thumb image] simple product one, [thumb image] simple product two, [thumb image] simple product three.
Can some one help me to achieve this.