python-smartpm: add support to check signatures
RPMv5 has removed support for _RPMVSF_NOSIGNATURES,
the flag can be replaced with a flags set:
"RPMVSF_NODSAHEADER|RPMVSF_NORSAHEADER|RPMVSF_NODSA
RPMVSF_NORSA"
(From OE-Core rev:
5c0c1b8a64643ad7130b17b5dfce9cecffa6d962)
Signed-off-by: Haiqing Bai <Haiqing.Bai@windriver.com>
Signed-off-by: Mingli Yu <mingli.yu@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
