To make Hob's specific variable settings take effect, we add a Hob
config hook at the end of parsing for each configuration file, and in
the hook function, Hob will set its own variables to the data store.
This fixes:
[YOCTO #2210]
[YOCTO #2254]
(Bitbake rev: 0ec7d1bbfd2e09ae60f99e6134b20ffd1d9145b1)
Signed-off-by: Dongxiao Xu <dongxiao.xu@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>