spi: pxa2xx: Remove duplicate check

The mmio_base can't be NULL at this point. It's either checked
in both pxa_ssp_probe() and pxa2xx_spi_init_ssp() or correctly
provided by PCI core. Hence, remove duplicate check which is
a dead code.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://msgid.link/r/20240530151117.1130792-8-andriy.shevchenko@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

drivers/spi/spi-pxa2xx.c

@@ -1441,9 +1441,6 @@ static int pxa2xx_spi_probe(struct platform_device *pdev)
 	if (!ssp)
 		ssp = &platform_info->ssp;
 
-	if (!ssp->mmio_base)
-		return dev_err_probe(dev, -ENODEV, "failed to get SSP\n");
-
 	if (platform_info->is_target)
 		controller = devm_spi_alloc_target(dev, sizeof(*drv_data));
 	else