forked from mfulz_github/qmk_firmware

* Refactor lets split to use split common code * Refactor lets split to use split common code * Build fixes for OLED_sample keymap * Build fixes for OLED_sample keymap - attempt to reduce firmware size
* Refactor lets split to use split common code * Refactor lets split to use split common code * Build fixes for OLED_sample keymap * Build fixes for OLED_sample keymap - attempt to reduce firmware size