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: NAvinash Patil <patila@marvell.com>
Signed-off-by: NBing Zhao <bzhao@marvell.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>