irqchip/renesas-irqc: Remove error messages on out-of-memory conditions

There is no need to print error messages if kzalloc() or
ioremap_nocache() fail, as the memory allocation core already takes care
of that.
Signed-off-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: NSimon Horman <horms+renesas@verge.net.au>
Signed-off-by: NMarc Zyngier <marc.zyngier@arm.com>

drivers/irqchip/irq-renesas-irqc.c

@@ -133,7 +133,6 @@ static int irqc_probe(struct platform_device *pdev)
 
 	p = kzalloc(sizeof(*p), GFP_KERNEL);
 	if (!p) {
-		dev_err(&pdev->dev, "failed to allocate driver data\n");
 		ret = -ENOMEM;
 		goto err0;
 	}
@@ -173,7 +172,6 @@ static int irqc_probe(struct platform_device *pdev)
 	/* ioremap IOMEM and setup read/write callbacks */
 	p->iomem = ioremap_nocache(io->start, resource_size(io));
 	if (!p->iomem) {
-		dev_err(&pdev->dev, "failed to remap IOMEM\n");
 		ret = -ENXIO;
 		goto err2;
 	}