spi: omap3_spi: Use GENMASK

Replace numeric mask hexcodes with GENMASK macro
in omap3_spi

Cc: Nikita Kiryanov <nikita@compulab.co.il>
Reviewed-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Jagan Teki <jteki@openedev.com>

drivers/spi/omap3_spi.h

@@ -64,12 +64,12 @@ struct mcspi {
 
 #define OMAP3_MCSPI_CHCONF_PHA		BIT(0)
 #define OMAP3_MCSPI_CHCONF_POL		BIT(1)
-#define OMAP3_MCSPI_CHCONF_CLKD_MASK	(0x0f << 2)
+#define OMAP3_MCSPI_CHCONF_CLKD_MASK	GENMASK(5, 2)
 #define OMAP3_MCSPI_CHCONF_EPOL		BIT(6)
-#define OMAP3_MCSPI_CHCONF_WL_MASK	(0x1f << 7)
-#define OMAP3_MCSPI_CHCONF_TRM_RX_ONLY	(0x01 << 12)
-#define OMAP3_MCSPI_CHCONF_TRM_TX_ONLY	(0x02 << 12)
-#define OMAP3_MCSPI_CHCONF_TRM_MASK	(0x03 << 12)
+#define OMAP3_MCSPI_CHCONF_WL_MASK	GENMASK(11, 7)
+#define OMAP3_MCSPI_CHCONF_TRM_RX_ONLY	BIT(12)
+#define OMAP3_MCSPI_CHCONF_TRM_TX_ONLY	BIT(13)
+#define OMAP3_MCSPI_CHCONF_TRM_MASK	GENMASK(13, 12)
 #define OMAP3_MCSPI_CHCONF_DMAW		BIT(14)
 #define OMAP3_MCSPI_CHCONF_DMAR		BIT(15)
 #define OMAP3_MCSPI_CHCONF_DPE0		BIT(16)