superio/aspeed/ast2400/chip.h: Include <stdbool.h>

Change-Id: Ib4a0d77e7bb4cb52e91a5965cae0a6c7ddc40090
Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/70254
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/superio/aspeed/ast2400/chip.h b/src/superio/aspeed/ast2400/chip.h
index 262f815..1634a34 100644
--- a/src/superio/aspeed/ast2400/chip.h
+++ b/src/superio/aspeed/ast2400/chip.h
@@ -3,6 +3,8 @@
 #ifndef __SUPERIO_ASPEED__AST2400_CHIP_H__
 #define __SUPERIO_ASPEED__AST2400_CHIP_H__
 
+#include <stdbool.h>
+
 struct superio_aspeed_ast2400_config {
 	/* On AST2500 only 1: ESPI, 0: LPC */
 	bool use_espi;