src: Add missing 'void' in function definition

Change-Id: I7fa1f9402b177a036f08bf99c98a6191c35fa0b5
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61371
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Jason Glenesk <jason.glenesk@gmail.com>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>

src/soc/amd/picasso/config.c

@@ -4,7 +4,7 @@
 #include <device/device.h>
 #include "chip.h"
 
-const struct soc_amd_common_config *soc_get_common_config()
+const struct soc_amd_common_config *soc_get_common_config(void)
 {
 	/* config_of_soc calls die() internally if cfg was NULL, so no need to re-check */
 	const struct soc_amd_picasso_config *cfg = config_of_soc();