mmc: sdhci-pltfm: Drop unnecessary error messages in sdhci_pltfm_init()

The devm_platform_ioremap_resource() and platform_get_irq() print
the error messages themselves and our "failed" one brings no value
and just noise. Refactor code to avoid those noisy error messages.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20231006105803.3374241-1-andriy.shevchenko@linux.intel.com


Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>