Introduce a Makefile for the OS_NONE device example

It currently supports the SAMD21 and SAMD51 only. More will be
added later.
This commit is contained in:
Scott Shawcroft
2018-11-24 10:55:51 -08:00
parent 3bb53273cd
commit bf70f89240
16 changed files with 548 additions and 19 deletions