spi: pxa2xx: Remove the use of dev_err_probe()

The dev_err_probe() doesn't do anything when error is '-ENOMEM'. Therefore,
remove the useless call to dev_err_probe(), and just return the value instead.

Signed-off-by: Xichao Zhao <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Mark Brown <[e-mail]>

drivers/spi/spi-pxa2xx.c

···
 	else
 		controller = devm_spi_alloc_host(dev, sizeof(*drv_data));
 	if (!controller)
-		return dev_err_probe(dev, -ENOMEM, "cannot alloc spi_controller\n");
+		return -ENOMEM;
 
 	drv_data = spi_controller_get_devdata(controller);
 	drv_data->controller = controller;