watchdog: cadence: Show used timeout value

Debug message was showing timeout value which was passed to start
function but there is a checking if this value can be setup.
The patch is moving this debug printf function below checking.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>

drivers/watchdog/cdns_wdt.c

@@ -142,13 +142,13 @@ static int cdns_wdt_start(struct udevice *dev, u64 timeout, ulong flags)
 		return -1;
 	}
 
-	debug("%s: CLK_FREQ %ld, timeout %lld\n", __func__, clk_f, timeout);
-
 	if ((timeout < CDNS_WDT_MIN_TIMEOUT) ||
 	    (timeout > CDNS_WDT_MAX_TIMEOUT)) {
 		timeout = priv->timeout;
 	}
 
+	debug("%s: CLK_FREQ %ld, timeout %lld\n", __func__, clk_f, timeout);
+
 	if (clk_f <= CDNS_WDT_CLK_75MHZ) {
 		prescaler = CDNS_WDT_PRESCALE_512;
 		ctrl_clksel = CDNS_WDT_PRESCALE_SELECT_512;