Since we created a new PkgsList object that will deal with listing the
installed packages in a rootfs, use the new class both for images and
SDKs in the wrapper functions.
The old list_installed_packages() wrapper listed only the packages inside
an image rootfs. It didn't deal with target/host SDK rootfs's.
(From OE-Core rev: 8fc18e67504db5b6df3fdd239c6187a71af52656)
Signed-off-by: Laurentiu Palcu <laurentiu.palcu@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>