include/package.mk: Add support for src-checkout/ folder
drwxr-xr-x - bindings
-rw-r--r-- 65014 booting-without-of.txt
-rw-r--r-- 1409 changesets.txt
-rw-r--r-- 1019 dynamic-resolution-notes.txt
-rw-r--r-- 7722 of_unittest.txt
-rw-r--r-- 4235 overlay-notes.txt
-rw-r--r-- 19258 usage-model.txt
-rw-r--r-- 5907 writing-schema.rst