watchdog: stm32_iwdg: drop superfluous error message

In the function stm32_iwdg_probe(), devm_platform_ioremap_resource
has already contained error message, so drop the redundant one.

Co-developed-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20210814142741.7396-1-tangbin@cmss.chinamobile.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>

drivers/watchdog/stm32_iwdg.c

@@ -237,10 +237,8 @@ static int stm32_iwdg_probe(struct platform_device *pdev)
 
 	/* This is the timer base. */
 	wdt->regs = devm_platform_ioremap_resource(pdev, 0);
-	if (IS_ERR(wdt->regs)) {
-		dev_err(dev, "Could not get resource\n");
+	if (IS_ERR(wdt->regs))
 		return PTR_ERR(wdt->regs);
-	}
 
 	ret = stm32_iwdg_clk_init(pdev, wdt);
 	if (ret)