i2c: i2c-gpio: add newline

Add newline at the end of the printed string.

Signed-off-by: Sergei Antonov <saproj@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Heiko Schocher <hs@denx.de>
diff --git a/drivers/i2c/i2c-gpio.c b/drivers/i2c/i2c-gpio.c
index 1aedad5..4ed9e9e 100644
--- a/drivers/i2c/i2c-gpio.c
+++ b/drivers/i2c/i2c-gpio.c
@@ -362,7 +362,7 @@
 
 	return 0;
 error:
-	pr_err("Can't get %s gpios! Error: %d", dev->name, ret);
+	pr_err("Can't get %s gpios! Error: %d\n", dev->name, ret);
 	return ret;
 }