UBUNTU: SAUCE: Redpine: fix for wowlan wakeup failure

BugLink: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1742090
BugLink: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1742094

It is observed that magic packet is sometimes missed by firmware
which results in wakeup failure. This happens only in coex mode
when power save is enabled. Issue is resolved by disabling power
save to avoid radio loss for wlan
Signed-off-by: Pavani Muthyala <pavanimuthyala1992@gmail.com>
Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com>
Acked-by: Kai Heng Feng <kai.heng.feng@canonical.com>
Acked-by: Shrirang Bagul <shrirang.bagul@canonical.com>
Signed-off-by: Khalid Elmously <khalid.elmously@canonical.com>

ubuntu/rsi/rsi_91x_mac80211.c

@@ -2404,6 +2404,8 @@ int rsi_config_wowlan(struct rsi_hw *adapter, struct cfg80211_wowlan *wowlan)
 		return 0;
 	}
 	ven_rsi_dbg(INFO_ZONE, "TRIGGERS %x\n", triggers);
+	if (common->coex_mode > 1)
+		rsi_disable_ps(adapter);
 	rsi_send_wowlan_request(common, triggers, 1);
 
 	/* Send updated vap caps */