mmc: am654_sdhci: Convert flag fields to BIT macro

Convert the flags field defines to use the BIT() macro.

Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
diff --git a/drivers/mmc/am654_sdhci.c b/drivers/mmc/am654_sdhci.c
index 33f658f..e0136df 100644
--- a/drivers/mmc/am654_sdhci.c
+++ b/drivers/mmc/am654_sdhci.c
@@ -80,10 +80,10 @@
 	u32 drv_strength;
 	u32 strb_sel;
 	u32 flags;
-#define DLL_PRESENT	(1 << 0)
-#define IOMUX_PRESENT	(1 << 1)
-#define FREQSEL_2_BIT	(1 << 2)
-#define STRBSEL_4_BIT	(1 << 3)
+#define DLL_PRESENT	BIT(0)
+#define IOMUX_PRESENT	BIT(1)
+#define FREQSEL_2_BIT	BIT(2)
+#define STRBSEL_4_BIT	BIT(3)
 };
 
 struct timing_data {