tree: Use <stdio.h> for snprintf

<stdio.h> header is used for input/output operations (such as printf,
scanf, fopen, etc.). Although some input/output functions can manipulate
strings, they do not need to directly include <string.h> because they
are declared independently.

Change-Id: Ibe2a4ff6f68843a6d99cfdfe182cf2dd922802aa
Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/82665
Reviewed-by: Yidi Lin <yidilin@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

4 files changed, 4 insertions, 0 deletions

diff --git a/src/soc/cavium/cn81xx/soc.c b/src/soc/cavium/cn81xx/soc.c
index 5e606d3d9e..81c9a648e5 100644
--- a/src/soc/cavium/cn81xx/soc.c
+++ b/src/soc/cavium/cn81xx/soc.c
@@ -13,6 +13,7 @@
 #include <soc/uart.h>
 #include <stddef.h>
 #include <stdlib.h>
+#include <stdio.h>
 #include <string.h>
 #include <symbols.h>
 #include <libbdk-boot/bdk-boot.h>
diff --git a/src/soc/intel/common/block/acpi/cpu_hybrid.c b/src/soc/intel/common/block/acpi/cpu_hybrid.c
index f52b68f7e2..68abba7eb8 100644
--- a/src/soc/intel/common/block/acpi/cpu_hybrid.c
+++ b/src/soc/intel/common/block/acpi/cpu_hybrid.c
@@ -9,6 +9,7 @@
 #include <device/path.h>
 #include <intelblocks/acpi.h>
 #include <soc/cpu.h>
+#include <stdio.h>
 #include <types.h>
 
 #define CPPC_NOM_FREQ_IDX	22
diff --git a/src/soc/intel/xeon_sp/acpi.c b/src/soc/intel/xeon_sp/acpi.c
index 0d66aec282..1c493afc1c 100644
--- a/src/soc/intel/xeon_sp/acpi.c
+++ b/src/soc/intel/xeon_sp/acpi.c
@@ -6,6 +6,7 @@
 #include <soc/pci_devs.h>
 #include <soc/util.h>
 #include <stdint.h>
+#include <stdio.h>
 #include <stdlib.h>
 
 #include "chip.h"
diff --git a/src/soc/mediatek/common/display.c b/src/soc/mediatek/common/display.c
index 0dea58c74f..0c23e49249 100644
--- a/src/soc/mediatek/common/display.c
+++ b/src/soc/mediatek/common/display.c
@@ -10,6 +10,7 @@
 #include <soc/dptx.h>
 #include <soc/dsi.h>
 #include <soc/mtcmos.h>
+#include <stdio.h>
 #include <string.h>
 
 static struct panel_serializable_data *get_mipi_cmd_from_cbfs(struct panel_description *desc)