mmc: sdhci-of-at91: Use sdhci_pltfm_remove()

Use sdhci_pltfm_remove() instead of sdhci_pltfm_unregister() because
sdhci_pltfm_unregister() is going to be removed.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20230811130351.7038-10-adrian.hunter@intel.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

Author: ahunter6

drivers/mmc/host/sdhci-of-at91.c

@@ -456,7 +456,7 @@ static void sdhci_at91_remove(struct platform_device *pdev)
 	pm_runtime_disable(&pdev->dev);
 	pm_runtime_put_noidle(&pdev->dev);
 
-	sdhci_pltfm_unregister(pdev);
+	sdhci_pltfm_remove(pdev);
 
 	clk_disable_unprepare(gck);
 	clk_disable_unprepare(hclock);