p54: disable PS by default

Johannes kindly pointed out that I completely missed a hunk in
his patch: "[PATCH] cfg80211: allow driver to override PS default".

The driver must explicitly set ps_default to false,
as the setting is pre-filled with the kconfig default.
Signed-off-by: Christian Lamparter <chunkeey@web.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/p54/main.c

@@ -575,6 +575,12 @@ struct ieee80211_hw *p54_init_common(size_t priv_data_len)
 	dev->extra_tx_headroom = sizeof(struct p54_hdr) + 4 +
 				 sizeof(struct p54_tx_data);
 
+	/*
+	 * For now, disable PS by default because it affects
+	 * link stability significantly.
+	 */
+	dev->wiphy->ps_default = false;
+
 	mutex_init(&priv->conf_mutex);
 	mutex_init(&priv->eeprom_mutex);
 	init_completion(&priv->eeprom_comp);