[qca-nss-drv] Fix dynamic interface sync message issue

When processing dynamic interface alloc/dealloc on multiple NSS cores
scenario. When alloc/dealloc happen at the same time on both cores, the
return interface number stored in di structrue can be overwrite.

Change-Id: I9e5f63f87d50ead0035ecf50346a5c21c3bf3d3e
Signed-off-by: Stephen Wang <wstephen@codeaurora.org>
12 files changed