soc/amd/common: Use only byte access for old GPIO

Change-Id: I06ec29845d051d9b90ab6f3cfb269ad5e6b75ea8
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48689
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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 ca32f23..4b80a28 100644
--- a/src/soc/amd/common/block/include/amdblocks/acpimmio.h
+++ b/src/soc/amd/common/block/include/amdblocks/acpimmio.h
@@ -305,31 +305,11 @@
 	return read8(acpimmio_gpio_100 + reg);
 }
 
-static inline uint16_t gpio_100_read16(uint8_t reg)
-{
-	return read16(acpimmio_gpio_100 + reg);
-}
-
-static inline uint32_t gpio_100_read32(uint8_t reg)
-{
-	return read32(acpimmio_gpio_100 + reg);
-}
-
 static inline void gpio_100_write8(uint8_t reg, uint8_t value)
 {
 	write8(acpimmio_gpio_100 + reg, value);
 }
 
-static inline void gpio_100_write16(uint8_t reg, uint16_t value)
-{
-	write16(acpimmio_gpio_100 + reg, value);
-}
-
-static inline void gpio_100_write32(uint8_t reg, uint32_t value)
-{
-	write32(acpimmio_gpio_100 + reg, value);
-}
-
 /* New GPIO banks configuration registers */
 
 static inline void *gpio_ctrl_ptr(uint8_t gpio_num)