mpc85xx: p2020: add missing symbols
drwxr-xr-x - .devcontainer
-rw-r--r-- 8 .gitattributes
drwxr-xr-x - .github
-rw-r--r-- 362 .gitignore
drwxr-xr-x - .vscode
-rw-r--r-- 106 BSDmakefile
-rw-r--r-- 284 COPYING
-rw-r--r-- 668 Config.in
drwxr-xr-x - LICENSES
-rw-r--r-- 4233 Makefile
-rw-r--r-- 4296 README.md
drwxr-xr-x - config
-rw-r--r-- 442 feeds.conf.default
drwxr-xr-x - include
drwxr-xr-x - package
-rw-r--r-- 16947 rules.mk
drwxr-xr-x - scripts
drwxr-xr-x - target
drwxr-xr-x - toolchain
drwxr-xr-x - tools