Add support for Japanese KDDI Samsung models

For example, SCG20 (au S23U), CSC KDI is reported as incorrect. The app seems to require "-" in model name, which is NOT the case for every KDDI Android phones, ever.

https://samfw.com/firmware/SCG20/KDI

https://github.com/KHwang9883/MobileModels/blob/master/brands/samsung_global_en.md