mmc: sdhci-omap: Remove setting ADMA capability in driver

sdhci can directly get ADMA capability from MMCHS_CAPA register.
Remove explicitly setting ADMA here as some instances might not have
ADMA enabled. (sdhci_read_caps() is also removed from here since
sdhci_setup_host() invokes it).

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

drivers/mmc/host/sdhci-omap.c

@@ -923,9 +923,6 @@ static int sdhci_omap_probe(struct platform_device *pdev)
 	host->mmc_host_ops.card_busy = sdhci_omap_card_busy;
 	host->mmc_host_ops.execute_tuning = sdhci_omap_execute_tuning;
 
-	sdhci_read_caps(host);
-	host->caps |= SDHCI_CAN_DO_ADMA2;
-
 	ret = sdhci_setup_host(host);
 	if (ret)
 		goto err_put_sync;