regulator: fan53555: Make use of the bit macros

For consistency and improved clarity, use BIT() and GENMASK() macros for
defining the bitfields inside the registers. No functional changes
intended.

While here, also fix DIE_{ID,REV} inconsistent indentation.
Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Link: https://lore.kernel.org/r/20230406194158.963352-6-cristian.ciocaltea@collabora.comSigned-off-by: Mark Brown <broonie@kernel.org>

drivers/regulator/fan53555.c

@@ -41,23 +41,23 @@
 #define FAN53555_MONITOR	0x05
 
 /* VSEL bit definitions */
-#define VSEL_BUCK_EN	(1 << 7)
-#define VSEL_MODE		(1 << 6)
+#define VSEL_BUCK_EN		BIT(7)
+#define VSEL_MODE		BIT(6)
 /* Chip ID and Verison */
 #define DIE_ID			0x0F	/* ID1 */
 #define DIE_REV			0x0F	/* ID2 */
 /* Control bit definitions */
-#define CTL_OUTPUT_DISCHG	(1 << 7)
-#define CTL_SLEW_MASK		(0x7 << 4)
-#define CTL_RESET			(1 << 2)
+#define CTL_OUTPUT_DISCHG	BIT(7)
+#define CTL_SLEW_MASK		GENMASK(6, 4)
+#define CTL_RESET		BIT(2)
 #define CTL_MODE_VSEL0_MODE	BIT(0)
 #define CTL_MODE_VSEL1_MODE	BIT(1)
 
 #define FAN53555_NVOLTAGES	64	/* Numbers of voltages */
 #define FAN53526_NVOLTAGES	128
 
-#define TCS_VSEL0_MODE		(1 << 7)
-#define TCS_VSEL1_MODE		(1 << 6)
+#define TCS_VSEL0_MODE		BIT(7)
+#define TCS_VSEL1_MODE		BIT(6)
 
 #define TCS_SLEW_MASK		GENMASK(4, 3)