mmc: omap_hsmmc: provide wait_dat0 even if UHS modes are not supported

This function can also be used for eMMC devices.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
diff --git a/drivers/mmc/omap_hsmmc.c b/drivers/mmc/omap_hsmmc.c
index d8f36cd..3ea7f4e 100644
--- a/drivers/mmc/omap_hsmmc.c
+++ b/drivers/mmc/omap_hsmmc.c
@@ -430,7 +430,6 @@
 	writel(ac12, &mmc_base->ac12);
 }
 
-#if CONFIG_IS_ENABLED(MMC_UHS_SUPPORT)
 static int omap_hsmmc_wait_dat0(struct udevice *dev, int state, int timeout)
 {
 	int ret = -ETIMEDOUT;
@@ -456,7 +455,6 @@
 
 	return ret;
 }
-#endif
 
 #if CONFIG_IS_ENABLED(MMC_IO_VOLTAGE)
 #if CONFIG_IS_ENABLED(DM_REGULATOR)
@@ -1513,9 +1511,7 @@
 #ifdef MMC_SUPPORTS_TUNING
 	.execute_tuning = omap_hsmmc_execute_tuning,
 #endif
-#if CONFIG_IS_ENABLED(MMC_UHS_SUPPORT)
 	.wait_dat0	= omap_hsmmc_wait_dat0,
-#endif
 };
 #else
 static const struct mmc_ops omap_hsmmc_ops = {