rootfs_rpm/package_rpm.bbclass: Move func from rootfs_rpm to package_rpm
package_deb.bbclass:
1. Modified package_update_index_rpm() and package_generate_rpm_conf()
to generate sperate depsolver db and rpm configuration, for target
packages and host packages respectively.
2. Added new function package_install_internal_rpm() to install a list
deb packages to a specified root directory, with the specified package
architecutre information.
3. Added new function resolve_package_rpm() to resolve package names to
filepaths.
rootfs_deb.bbclass:
Used the above new functions to install the rootfs.
[sgw: merged changes for createrepo] Signed-off-by: Lianhao Lu <lianhao.lu@intel.com> Signed-off-by: Saul Wold <sgw@linux.intel.com>
