uuid: add a missing header

uuid.h uses uint32_t, uint16_t and uint8_t types, it must include
stdint.h or inttypes.h.

Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>

src/include/sof/lib/uuid.h

@@ -15,6 +15,8 @@
 #include <zephyr/sys/iterable_sections.h>
 #endif
 
+#include <stdint.h>
+
 /** \addtogroup uuid_api UUID API
  *  UUID API specification.
  *  @{