drm/bridge: analogix-anx78xx: silence -EPROBE_DEFER warnings

Silence two warning messages that occur due to -EPROBE_DEFER errors to
help cleanup the system boot log.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190815004854.19860-4-masneyb@onstation.org

drivers/gpu/drm/bridge/analogix-anx78xx.c

@@ -716,7 +716,9 @@ static int anx78xx_init_pdata(struct anx78xx *anx78xx)
 	/* 1.0V digital core power regulator  */
 	pdata->dvdd10 = devm_regulator_get(dev, "dvdd10");
 	if (IS_ERR(pdata->dvdd10)) {
+		if (PTR_ERR(pdata->dvdd10) != -EPROBE_DEFER)
 			DRM_ERROR("DVDD10 regulator not found\n");
+
 		return PTR_ERR(pdata->dvdd10);
 	}
 
@@ -1334,7 +1336,9 @@ static int anx78xx_i2c_probe(struct i2c_client *client,
 
 	err = anx78xx_init_pdata(anx78xx);
 	if (err) {
+		if (err != -EPROBE_DEFER)
 			DRM_ERROR("Failed to initialize pdata: %d\n", err);
+
 		return err;
 	}