Remove bogus warning

tools/dev/cppcheck/suppressions.txt

@@ -80,3 +80,5 @@ negativeIndex:gcc-plugin/src/*
 pointerSize:socl/src/cl_getcontextinfo.c:33
 
 redundantAssignment:src/sched_policies/component_eager.c:109
+
+nullPointerRedundantCheck:src/datawizard/copy_driver.c:682