soc/amd/common: Remove SMBus host word accessors

SMBus controller has byte-wide registers. Remove
the word accessors.

Change-Id: If396108308bc8303d84458039b9529ecd83276c9
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48581
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
diff --git a/src/soc/amd/common/block/include/amdblocks/acpimmio.h b/src/soc/amd/common/block/include/amdblocks/acpimmio.h
index 15445ba..134e053 100644
--- a/src/soc/amd/common/block/include/amdblocks/acpimmio.h
+++ b/src/soc/amd/common/block/include/amdblocks/acpimmio.h
@@ -244,41 +244,21 @@
 	return read8(acpimmio_asf + reg);
 }
 
-static inline uint16_t asf_read16(uint8_t reg)
-{
-	return read16(acpimmio_asf + reg);
-}
-
 static inline void asf_write8(uint8_t reg, uint8_t value)
 {
 	write8(acpimmio_asf + reg, value);
 }
 
-static inline void asf_write16(uint8_t reg, uint16_t value)
-{
-	write16(acpimmio_asf + reg, value);
-}
-
 static inline uint8_t smbus_read8(uint8_t reg)
 {
 	return read8(acpimmio_smbus + reg);
 }
 
-static inline uint16_t smbus_read16(uint8_t reg)
-{
-	return read16(acpimmio_smbus + reg);
-}
-
 static inline void smbus_write8(uint8_t reg, uint8_t value)
 {
 	write8(acpimmio_smbus + reg, value);
 }
 
-static inline void smbus_write16(uint8_t reg, uint16_t value)
-{
-	write16(acpimmio_smbus + reg, value);
-}
-
 static inline uint8_t iomux_read8(uint8_t reg)
 {
 	return read8(acpimmio_iomux + reg);