do_unpack: move qa check of unpack into insane.bbclass
Some source archive are not standard format.
For example, sometimes, we still need decompress file once again after base_do_unpack,
in such case, the following warning will be caught.
WARNING: xxx : the directory ${WORKDIR}/xxxx (xxxxxx) pointed to by the S variable doesn't exist \
- please set S within the recipe to point to where the source has been unpacked to
So, we should do this QA check after all of unpack jobs been completed.
Signed-off-by: Bian Naimeng <biannm@cn.fujitsu.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
