We need to check the gpg version and alter its command line options
accordingly.
[YOCTO #11054]
(From OE-Core rev: 44a44b7e582a5a654baf21829d168568481c13d9)
Signed-off-by: Markus Lehtonen <markus.lehtonen@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>