soc/amd/*/smi.h: Use BIT() for clarity

Use the BIT() macro for single-bit constants.

Signed-off-by: Fred Reitberger <reitbergerfred@gmail.com>
Change-Id: I490f0093d55813260fcdb7303a94accfa90e75e4
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68548
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
diff --git a/src/soc/amd/cezanne/include/soc/smi.h b/src/soc/amd/cezanne/include/soc/smi.h
index aad4123..5fc256b 100644
--- a/src/soc/amd/cezanne/include/soc/smi.h
+++ b/src/soc/amd/cezanne/include/soc/smi.h
@@ -149,22 +149,22 @@
 #define SMI_REG_SMISTS4			0x90
 
 #define SMI_REG_POINTER			0x94
-# define SMI_STATUS_SRC_SCI			(1 << 0)
-# define SMI_STATUS_SRC_0			(1 << 1) /* SMIx80 */
-# define SMI_STATUS_SRC_1			(1 << 2) /* SMIx84... */
-# define SMI_STATUS_SRC_2			(1 << 3)
-# define SMI_STATUS_SRC_3			(1 << 4)
-# define SMI_STATUS_SRC_4			(1 << 5)
+# define SMI_STATUS_SRC_SCI			BIT(0)
+# define SMI_STATUS_SRC_0			BIT(1) /* SMIx80 */
+# define SMI_STATUS_SRC_1			BIT(2) /* SMIx84... */
+# define SMI_STATUS_SRC_2			BIT(3)
+# define SMI_STATUS_SRC_3			BIT(4)
+# define SMI_STATUS_SRC_4			BIT(5)
 
 #define SMI_TIMER			0x96
 #define SMI_TIMER_MASK				0x7fff
 #define SMI_TIMER_EN				(1 << 15)
 
 #define SMI_REG_SMITRIG0		0x98
-# define SMITRIG0_PSP				(1 << 25)
-# define SMITRG0_EOS				(1 << 28)
-# define SMI_TIMER_SEL				(1 << 29)
-# define SMITRG0_SMIENB				(1 << 31)
+# define SMITRIG0_PSP				BIT(25)
+# define SMITRG0_EOS				BIT(28)
+# define SMI_TIMER_SEL				BIT(29)
+# define SMITRG0_SMIENB				BIT(31)
 
 #define SMI_REG_CONTROL0		0xa0
 #define SMI_REG_CONTROL1		0xa4
diff --git a/src/soc/amd/mendocino/include/soc/smi.h b/src/soc/amd/mendocino/include/soc/smi.h
index 1525e34..4a4ec24 100644
--- a/src/soc/amd/mendocino/include/soc/smi.h
+++ b/src/soc/amd/mendocino/include/soc/smi.h
@@ -156,22 +156,22 @@
 #define SMI_REG_SMISTS4			0x90
 
 #define SMI_REG_POINTER			0x94
-# define SMI_STATUS_SRC_SCI			(1 << 0)
-# define SMI_STATUS_SRC_0			(1 << 1) /* SMIx80 */
-# define SMI_STATUS_SRC_1			(1 << 2) /* SMIx84... */
-# define SMI_STATUS_SRC_2			(1 << 3)
-# define SMI_STATUS_SRC_3			(1 << 4)
-# define SMI_STATUS_SRC_4			(1 << 5)
+# define SMI_STATUS_SRC_SCI			BIT(0)
+# define SMI_STATUS_SRC_0			BIT(1) /* SMIx80 */
+# define SMI_STATUS_SRC_1			BIT(2) /* SMIx84... */
+# define SMI_STATUS_SRC_2			BIT(3)
+# define SMI_STATUS_SRC_3			BIT(4)
+# define SMI_STATUS_SRC_4			BIT(5)
 
 #define SMI_TIMER			0x96
 #define SMI_TIMER_MASK				0x7fff
 #define SMI_TIMER_EN				(1 << 15)
 
 #define SMI_REG_SMITRIG0		0x98
-# define SMITRIG0_PSP				(1 << 25)
-# define SMITRG0_EOS				(1 << 28)
-# define SMI_TIMER_SEL				(1 << 29)
-# define SMITRG0_SMIENB				(1 << 31)
+# define SMITRIG0_PSP				BIT(25)
+# define SMITRG0_EOS				BIT(28)
+# define SMI_TIMER_SEL				BIT(29)
+# define SMITRG0_SMIENB				BIT(31)
 
 #define SMI_REG_CONTROL0		0xa0
 #define SMI_REG_CONTROL1		0xa4
diff --git a/src/soc/amd/picasso/include/soc/smi.h b/src/soc/amd/picasso/include/soc/smi.h
index dba3bea..265c10c 100644
--- a/src/soc/amd/picasso/include/soc/smi.h
+++ b/src/soc/amd/picasso/include/soc/smi.h
@@ -151,22 +151,22 @@
 #define SMI_REG_SMISTS4			0x90
 
 #define SMI_REG_POINTER			0x94
-# define SMI_STATUS_SRC_SCI			(1 << 0)
-# define SMI_STATUS_SRC_0			(1 << 1) /* SMIx80 */
-# define SMI_STATUS_SRC_1			(1 << 2) /* SMIx84... */
-# define SMI_STATUS_SRC_2			(1 << 3)
-# define SMI_STATUS_SRC_3			(1 << 4)
-# define SMI_STATUS_SRC_4			(1 << 5)
+# define SMI_STATUS_SRC_SCI			BIT(0)
+# define SMI_STATUS_SRC_0			BIT(1) /* SMIx80 */
+# define SMI_STATUS_SRC_1			BIT(2) /* SMIx84... */
+# define SMI_STATUS_SRC_2			BIT(3)
+# define SMI_STATUS_SRC_3			BIT(4)
+# define SMI_STATUS_SRC_4			BIT(5)
 
 #define SMI_TIMER			0x96
 #define SMI_TIMER_MASK				0x7fff
 #define SMI_TIMER_EN				(1 << 15)
 
 #define SMI_REG_SMITRIG0		0x98
-# define SMITRIG0_PSP				(1 << 25)
-# define SMITRG0_EOS				(1 << 28)
-# define SMI_TIMER_SEL				(1 << 29)
-# define SMITRG0_SMIENB				(1 << 31)
+# define SMITRIG0_PSP				BIT(25)
+# define SMITRG0_EOS				BIT(28)
+# define SMI_TIMER_SEL				BIT(29)
+# define SMITRG0_SMIENB				BIT(31)
 
 #define SMI_REG_CONTROL0		0xa0
 #define SMI_REG_CONTROL1		0xa4
diff --git a/src/soc/amd/stoneyridge/include/soc/smi.h b/src/soc/amd/stoneyridge/include/soc/smi.h
index 3ce41df..ccdd3c5 100644
--- a/src/soc/amd/stoneyridge/include/soc/smi.h
+++ b/src/soc/amd/stoneyridge/include/soc/smi.h
@@ -3,6 +3,8 @@
 #ifndef AMD_STONEYRIDGE_SMI_H
 #define AMD_STONEYRIDGE_SMI_H
 
+#include <types.h>
+
 #define SMI_GEVENTS			24
 #define SCIMAPS				59 /* 0..58 */
 #define SCI_GPES			32
@@ -149,21 +151,21 @@
 #define SMI_REG_SMISTS4			0x90
 
 #define SMI_REG_POINTER			0x94
-# define SMI_STATUS_SRC_SCI			(1 << 0)
-# define SMI_STATUS_SRC_0			(1 << 1) /* SMIx80 */
-# define SMI_STATUS_SRC_1			(1 << 2) /* SMIx84... */
-# define SMI_STATUS_SRC_2			(1 << 3)
-# define SMI_STATUS_SRC_3			(1 << 4)
-# define SMI_STATUS_SRC_4			(1 << 5)
+# define SMI_STATUS_SRC_SCI			BIT(0)
+# define SMI_STATUS_SRC_0			BIT(1) /* SMIx80 */
+# define SMI_STATUS_SRC_1			BIT(2) /* SMIx84... */
+# define SMI_STATUS_SRC_2			BIT(3)
+# define SMI_STATUS_SRC_3			BIT(4)
+# define SMI_STATUS_SRC_4			BIT(5)
 
 #define SMI_TIMER			0x96
 #define SMI_TIMER_MASK				0x7fff
 #define SMI_TIMER_EN				(1 << 15)
 
 #define SMI_REG_SMITRIG0		0x98
-# define SMITRG0_EOS				(1 << 28)
-# define SMI_TIMER_SEL				(1 << 29)
-# define SMITRG0_SMIENB				(1 << 31)
+# define SMITRG0_EOS				BIT(28)
+# define SMI_TIMER_SEL				BIT(29)
+# define SMITRG0_SMIENB				BIT(31)
 
 #define SMI_REG_CONTROL0		0xa0
 #define SMI_REG_CONTROL1		0xa4