This patch adds support for parsing WMM IEs from hostapd
and setting them to FW via sys configure command.

Patch also sets wiphy flag to advertise AP uAPSD support.
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>