package_manager: DpkgPM fix populate_sdk

package_manager: DpkgPM fix populate_sdk

DpkgPM change all_arch_list variable set from PACKAGE_ARCHS to passed
archs variable because is different when is executed from rootfs.py
and sdk.py.

Credits to: Ricardo Ribalda <ricardo.ribalda@gmail.com>

(From OE-Core rev: f6fb8c16f49fd9a2b124ad55f5c4fed82d7e6dca)

(From OE-Core rev: d9612ac36d59eb9e800f06339965d66f27c66ae0)

Signed-off-by: Aníbal Limón <anibal.limon@linux.intel.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>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Patrick Ohly <patrick.ohly@intel.com>