Merge branch 'nci-ext'

Bongsu Jeon says:

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Update the virtual NCI device driver and add the NCI testcase

This series updates the virtual NCI device driver and NCI selftest code
and add the NCI test case in selftests.

1/8 to use wait queue in virtual device driver.
2/8 to remove the polling code in selftests.
3/8 to fix a typo.
4/8 to fix the next nlattr offset calculation.
5/8 to fix the wrong condition in if statement.
6/8 to add a flag parameter to the Netlink send function.
7/8 to extract the start/stop discovery function.
8/8 to add the NCI testcase in selftests.
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Signed-off-by: David S. Miller <davem@davemloft.net>