fix(uuid): add missing `#include` directives

These include directives were missing from both `uuid.h` files.

Change-Id: I875dfda3e0985728277b72f0e7597dde5cf9d304
Signed-off-by: Chris Kay <chris.kay@arm.com>
diff --git a/include/common/uuid.h b/include/common/uuid.h
index c8dd681..6348804 100644
--- a/include/common/uuid.h
+++ b/include/common/uuid.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021-2022, Arm Limited and Contributors. All rights reserved.
+ * Copyright (c) 2021-2023, Arm Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -7,6 +7,9 @@
 #ifndef UUID_COMMON_H
 #define UUID_COMMON_H
 
+#include <stdbool.h>
+#include <stdint.h>
+
 #define UUID_BYTES_LENGTH	16
 #define UUID_STRING_LENGTH	36