Depending on X11 as a fallback option for Wayland systems made sense in 2017. Now there is some hardware for which Wayland works better than xorg and for most hardware Wayland is adequate.
While there isn't a "wayland" package, there are packages like plasma- workspace-wayland which could be included as "or" options on the dependency line for a GUI. -- My Main Blog http://etbe.coker.com.au/ My Documents Blog http://doc.coker.com.au/