dsp: firmware_update: Fix local include of stdbool

Change-Id: I45fa986c24321aa7d6067b843d0d06ccde7d6d86
Signed-off-by: Andrew Jeffery <andrew@codeconstruct.com.au>
diff --git a/include/libpldm/firmware_update.h b/include/libpldm/firmware_update.h
index 4666110..27e626d 100644
--- a/include/libpldm/firmware_update.h
+++ b/include/libpldm/firmware_update.h
@@ -9,7 +9,7 @@
 #include <libpldm/base.h>
 #include <libpldm/pldm_types.h>
 
-#include "stdbool.h"
+#include <stdbool.h>
 #include <stddef.h>
 #include <stdint.h>
 struct variable_field;