SWDEV-1 - device: Add missing include

Newer GCC's seem to require this.

Change-Id: I85926d4fa552b772f2eb9f8ede7863a546c47f54
Signed-off-by: Jeremy Newton <Jeremy.Newton@amd.com>

rocclr/device/devhcprintf.cpp

@@ -23,6 +23,7 @@
 
 #include <assert.h>
 #include <cstdarg>
+#include <cstdint>
 #include <cstdio>
 #include <cstring>
 #include <string>