mwifiex: complete last internal scan

mwifiex: complete last internal scan

commit 21de979ecfc7b7f9442f8aea9a54b3ab670d0151 upstream.

We are waiting on first scan command of internal scan request
before association, so we should complete on last internal scan
command response.

Tested-by: Daniel Drake <dsd@laptop.org>
Tested-by: Marco Cesarano <marco@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>