wl12xx: print firmware program counter during recovery

When performing recovery, print the firmware version and program
counter (by reading the SCR_PAD4 register). The value of the firmware
program counter during assert can be useful for debugging.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>

drivers/net/wireless/wl12xx/main.c

@@ -1004,7 +1004,8 @@ static void wl1271_recovery_work(struct work_struct *work)
 	if (wl->state != WL1271_STATE_ON)
 		goto out;
 
-	wl1271_info("Hardware recovery in progress.");
+	wl1271_info("Hardware recovery in progress. FW ver: %s pc: 0x%x",
+		    wl->chip.fw_ver_str, wl1271_read32(wl, SCR_PAD4));
 
 	if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags))
 		ieee80211_connection_loss(wl->vif);