groff: correct the install path of man.local
openvswitch build failed due to wrong install path of man.local which is
provided by groff.
Error log:
/yocto/build/tmp/sysroots/x86_64-linux/usr/share/groff/1.22.2/tmac/an-old.tmac:690:
warning: can't find macro file `man.local'
(From OE-Core master rev:
5f2dd65e758ead8177a1cdda047bdb105b96e208)
Signed-off-by: Zhenhua Luo <zhenhua.luo@freescale.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
