* Add universal flash command
* Add bootloader info to I:C boards
* Add support for ATSAM
* Add messages for flash target
* Message cleanup
* Add USB ASP Flashing target
* Make usbasp target more universal
* Add phoney target for usbasp
* Clarify error message when bootloader isn't matched
* build size-check enhancement
Changed to display a warning when the free size of compilation result is less than 512 bytes.
* update message.mk
* add SIZE_MARGIN variable, change default margin 512 to 1024
for Example.
```
$ make SIZE_MARGIN=2048 crkbd:all
$ make crkbd:all ## mergin is 1024
```
* Update message.mk
change message to ‘approaching the maximum’
Co-Authored-By: mtei <2170248+mtei@users.noreply.github.com>
* pull fuse settings for bootloader jump
* fix 32a chips
* make automatic bootloader selection optional
* quantify bootloaders
* fixs #164, speeds up dfu reset
* fix for chips w/o usb
* missing an n
* fix bootloader sizes, use words for addresses
* fix bmini, pearl, and [[ issue, make things quiet
* ignore avr errors on arm for now
* update settings for the light
* document bootloader stuff
* add bootloader title
A single keyboard is always by default compiled in verbose mode.
While multiple keyboards are compiled in silent mode. This can be
overriden by the silent variable from the command line
