To fix warnings when the buildpaths QA test is enabled, pass the file
and debug prefix map options that were previously supplied only for
reproducible builds, adding them to the DEBUG_PREFIX_MAP variable
and supplying that to CC.
Testing indicates that passing the prefix maps needs to be via CC
rather than the EXTRA_CFLAGS_XEN_CORE/TOOLS variables.
Signed-off-by: Christopher Clark <christopher.w.clark@gmail.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>