Fix error in merging 2020 board files v6.3.1
-rw-r--r-- 0 .gitmodules
-rw-r--r-- 3864 CHANGELOG
-rw-r--r-- 3369 COPYING
-rw-r--r-- 9460 Makefile
drwxr-xr-x - STM32CubeMX
drwxr-xr-x - doc
drwxr-xr-x - driver
-rw-r--r-- 35147 gplv3.txt
drwxr-xr-x - include
drwxr-xr-x - rtl
drwxr-xr-x - src
drwxr-xr-x - tools