soc/amd/common/psp: move PSP SMI SPI access function prototypes

Now that we have the local psp_smi_flash.h header, move the
psp_smi_spi_* function prototypes there.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I12cbbabf6a960836fe0c5dc1424c08550cb66a7a
Reviewed-on: https://review.coreboot.org/c/coreboot/+/84068
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>

src/soc/amd/common/block/psp/psp_def.h

@@ -153,9 +153,4 @@ enum cb_err soc_read_c2p38(uint32_t *msg_38_value);
 
 void enable_psp_smi(void);
 
-enum mbox_p2c_status psp_smi_spi_get_info(struct mbox_default_buffer *buffer);
-enum mbox_p2c_status psp_smi_spi_read(struct mbox_default_buffer *buffer);
-enum mbox_p2c_status psp_smi_spi_write(struct mbox_default_buffer *buffer);
-enum mbox_p2c_status psp_smi_spi_erase(struct mbox_default_buffer *buffer);
-
 #endif /* __AMD_PSP_DEF_H__ */

src/soc/amd/common/block/psp/psp_smi.c

@@ -7,6 +7,7 @@
 #include <device/mmio.h>
 #include <types.h>
 #include "psp_def.h"
+#include "psp_smi_flash.h"
 
 /* PSP to x86 commands */
 #define MBOX_PSP_CMD_SPI_INFO		0x83

src/soc/amd/common/block/psp/psp_smi_flash.h

@@ -61,3 +61,8 @@ void get_psp_spi_read_write(struct mbox_psp_cmd_spi_read_write *cmd_buf,
 			    uint64_t *num_bytes, uint8_t **data);
 void get_psp_spi_erase(struct mbox_psp_cmd_spi_erase *cmd_buf, uint64_t *target_nv_id,
 		       uint64_t *lba, uint64_t *num_blocks);
+
+enum mbox_p2c_status psp_smi_spi_get_info(struct mbox_default_buffer *buffer);
+enum mbox_p2c_status psp_smi_spi_read(struct mbox_default_buffer *buffer);
+enum mbox_p2c_status psp_smi_spi_write(struct mbox_default_buffer *buffer);
+enum mbox_p2c_status psp_smi_spi_erase(struct mbox_default_buffer *buffer);