Add file kdump.service to support kdump in systemd.
(From OE-Core rev: a502e406c4e47b72eeb052ec2accba55fb6af972)
Signed-off-by: Wenlin Kang <wenlin.kang@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>