CHROMIUM: iwl7000: update driver to Core7 release

Update the iwl7000 driver to the internal Core7 release. This
reflects months of development, including new hardware support
and many new features.

BUG=N/A
TEST=AVL test run

(iwlwifi commit 36cb1492076002d31e6a31bc8f99a7e12ae7f7ee)

Change-Id: Iae860ad1100d4def8ebf90d0552e5a7dbd588c4b
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-on: https://chromium-review.googlesource.com/230890
Reviewed-by: Paul Stewart <pstew@chromium.org>