brcmfmac: Disable power management

Disable wireless power saving in the brcmfmac WLAN driver. This is a
temporary measure until the connectivity loss resulting from power
saving is resolved.

Signed-off-by: Phil Elwell <phil@raspberrypi.org>

drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c

@@ -2762,6 +2762,8 @@ brcmf_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *ndev,
 	 * preference in cfg struct to apply this to
 	 * FW later while initializing the dongle
 	 */
+	pr_info("power management disabled\n");
+	enabled = false;
 	cfg->pwr_save = enabled;
 	if (!check_vif_up(ifp->vif)) {