[TIMOB-24219] iOS: "--device-family" expects values other than help describes

When trying to specify a device family, the accepted values are different than expected and from what help indicates. Using the suggested values in help results in this error: [ERROR] Invalid device family "ipad" *Steps to reproduce issue* 1. Create a new project 2. CD to the project folder 3. Run the project with ti build --device-family ipad or appc run --device-family ipad *Expected Results* The project is built with the iPad device family *Actual Results* The ipad device family is not accepted and the user is prompted for a valid device-family *Notes* The error occurs with the values ipad, iphone, and universal. The accepted values are iPad, iPhone, and \_\_universal\_\_ Help indicates that the values should be lowercase and not use underscores.