thunderbolt: Log switch route string on config read/write timeout

This helps to point out which switch config read/write triggered the
timeout.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>

drivers/thunderbolt/ctl.c

@@ -962,8 +962,8 @@ int tb_cfg_read(struct tb_ctl *ctl, void *buffer, u64 route, u32 port,
 		return tb_cfg_get_error(ctl, space, &res);
 
 	case -ETIMEDOUT:
-		tb_ctl_warn(ctl, "timeout reading config space %u from %#x\n",
-			    space, offset);
+		tb_ctl_warn(ctl, "%llx: timeout reading config space %u from %#x\n",
+			    route, space, offset);
 		break;
 
 	default:
@@ -988,8 +988,8 @@ int tb_cfg_write(struct tb_ctl *ctl, const void *buffer, u64 route, u32 port,
 		return tb_cfg_get_error(ctl, space, &res);
 
 	case -ETIMEDOUT:
-		tb_ctl_warn(ctl, "timeout writing config space %u to %#x\n",
-			    space, offset);
+		tb_ctl_warn(ctl, "%llx: timeout writing config space %u to %#x\n",
+			    route, space, offset);
 		break;
 
 	default: