Introduces a variable HALTARGS which specifies the arguments sent to
halt and reboot, and sets the default value to "-d -f", dropping the
previous -i (shut down all network interfaces before halt/reboot, which
causes a freeze with NFS root.)
Fixes [YOCTO #997].
(From OE-Core rev: ace183894a5319cd73c94fd2653bbe52f29dca0b)
Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>