Rather than adding nocache items to the cache, then copying the cache and
removing them to sync it, don't add them in the first place. Also use 'with'
for the cachefile.
(Bitbake rev: 343b6f6255ad020c39e30742175a241f0859a5a6)
Signed-off-by: Chris Larson <chris_larson@mentor.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>