mmc: au1xmmc: Move away from using deprecated APIs

Suspend and resume of cards are being handled from the protocol layer
and consequently the mmc_suspend|resume_host APIs are deprecated.

This means we can simplify the suspend|resume callbacks by removing the
use of the deprecated APIs.

Cc: Manuel Lauss <manuel.lauss@googlemail.com>
Signed-off-by: NUlf Hansson <ulf.hansson@linaro.org>
Signed-off-by: NChris Ball <cjb@laptop.org>

drivers/mmc/host/au1xmmc.c

@@ -1157,11 +1157,6 @@ static int au1xmmc_remove(struct platform_device *pdev)
 static int au1xmmc_suspend(struct platform_device *pdev, pm_message_t state)
 {
 	struct au1xmmc_host *host = platform_get_drvdata(pdev);
-	int ret;
-
-	ret = mmc_suspend_host(host->mmc);
-	if (ret)
-		return ret;
 
 	au_writel(0, HOST_CONFIG2(host));
 	au_writel(0, HOST_CONFIG(host));
@@ -1178,7 +1173,7 @@ static int au1xmmc_resume(struct platform_device *pdev)
 
 	au1xmmc_reset_controller(host);
 
-	return mmc_resume_host(host->mmc);
+	return 0;
 }
 #else
 #define au1xmmc_suspend NULL