* Display logo for caps lock indication on crkbd using old OLED driver
* Add emacs read-only mode file variable to generated files
* use LTO_ENABLE instead of EXTRAFLAGS
This enables the same option, and disables action_macros, and action_functions, both of which seem to break when LTO is enabled. And this is a lot simpler to use.
Co-Authored-By: Drashna Jaelre <drashna@live.com>
