* Better handle LTO_ENABLE
Especially when calling from command line
* Replace LINK_TIME_OPTIMIZATION_ENABLE with LTO_ENABLE
* Remove long for LTO from show_options.mk
* Added Via config for Clueboard 66
* Update keyboards/clueboard/66/keymaps/via/rules.mk
Co-authored-by: Ryan <fauxpark@gmail.com>
* Enabled MouseKeys
This required enabling LINK_TIME_OPTIMIZATION_ENABLE
* Added 4th layer as per tzarc's recommendation on another PR
Co-authored-by: Ryan <fauxpark@gmail.com>