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Some are being obtained indirectly and as we prune unnecessary includes,
this stops working, fix it by adding the headers for things used in
these file.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-1p65lyeebc2ose0lbozvemda@git.kernel.org

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>