soc: mediatek: pwrap: use BIT() macro

Use a better BIT() marco for the bit definition.
No functional changes, cleanup only.
Signed-off-by: Hsin-Hsiung Wang <hsin-hsiung.wang@mediatek.com>
Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
Link: https://lore.kernel.org/r/1615563286-22126-2-git-send-email-hsin-hsiung.wang@mediatek.comSigned-off-by: Matthias Brugger <matthias.bgg@gmail.com>

drivers/soc/mediatek/mtk-pmic-wrap.c

@@ -27,8 +27,8 @@
 #define PWRAP_GET_WACS_RDATA(x)		(((x) >> 0) & 0x0000ffff)
 #define PWRAP_GET_WACS_FSM(x)		(((x) >> 16) & 0x00000007)
 #define PWRAP_GET_WACS_REQ(x)		(((x) >> 19) & 0x00000001)
-#define PWRAP_STATE_SYNC_IDLE0		(1 << 20)
-#define PWRAP_STATE_INIT_DONE0		(1 << 21)
+#define PWRAP_STATE_SYNC_IDLE0		BIT(20)
+#define PWRAP_STATE_INIT_DONE0		BIT(21)
 
 /* macro for WACS FSM */
 #define PWRAP_WACS_FSM_IDLE		0x00