ARM: at91: sama5_defconfig: disable CONFIG_CFG80211_DEFAULT_PS

Wilc3000 doesn't handle Power Save mode by default so we must
disable CONFIG_CFG80211_DEFAULT_PS and enable PS manually
if needed.

Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>

arch/arm/configs/sama5_defconfig

@@ -68,6 +68,7 @@ CONFIG_BT_HCIUART_3WIRE=y
 CONFIG_BT_HCIBTUART=y
 CONFIG_BT_HCIVHCI=y
 CONFIG_CFG80211=y
+# CONFIG_CFG80211_DEFAULT_PS is not set
 CONFIG_CFG80211_DEBUGFS=y
 CONFIG_CFG80211_WEXT=y
 CONFIG_MAC80211=y