spi: pxa2xx: Drop extra check of platform_get_resource() returned value

The devm_ioremap_resource() has already a check for resource pointer
being NULL. No need to double check this.

Drop extra check of platform_get_resource() returned value.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20191021103625.4250-2-andriy.shevchenko@linux.intel.com


Signed-off-by: Mark Brown <broonie@kernel.org>