[YOCTO #1439]
This fixes a problem where the native groff has a path hard coded into
it, therefor add a wrapper to set the command line with the correct
paths for fonts and tmac directories.
(From OE-Core rev: 9106e2922ba5972e3b87436372a12c2e04e9eb65)
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>