The uapsd option sets the uapsd_advertisement_enabled flag in hostapd.
The check for phy support is already implemented here in hostapd since 2011:
http://w1.fi/cgit/hostap/commit/?id=70619a5d8a3d32faa43d66bcb1b670cacf0c243e
So this can be safely set to 1 as default.
Signed-off-by: Vittorio Gambaletta <openwrt@vittgam.net>
SVN-Revision: 43846