Specify the path of an include file to compile the device tree against
addDeviceTreeIncludeDirectory( specifies a
folder path of an include file to compile the device tree against.
dirPath — Folder path
" " (default) | string | character vector
Absolute path or relative path of the device tree include folder, specified as a string or character vector. The include folder path can be either an absolute path or a path relative to the board plugin folder. You do not need to specify the board plugin folder as an include folder because it is automatically added to the include folder list. The include folders exist on the host computer. If a folder cannot be found, a warning is produced and the include folder is skipped.
"C:\work\devicetrees\zynq" specifies an absolute
"devicetrees\zynq" specifies a path relative to the board