* elf2uf2: add the cache memory range described in Section 2.8.4.2 of datasheet
* elf2uf2: update memory region nomenclature
* elf2uf2: update ROM size
* elf2uf2: use existing metadata to evaluate ram_style
Authored-by: Peter Lawrence <12226419+majbthrd@users.noreply.github.com>