perf report: Add mem-mode documentation to report command
perf report: Add mem-mode documentation to report command

Add mem-mode sorting types and mem-mode itself to perf-report documentation.

Signed-off-by: Don Zickus <3c9a8cec2f33672bf03519b05ce2324e6cf5717a@redhat.com>
Link: http://lkml.kernel.org/r/1400526833-141779-5-git-send-email-3c9a8cec2f33672bf03519b05ce2324e6cf5717a@redhat.com
Signed-off-by: Jiri Olsa <2c6594f608aa3d41e98d48846a6328831f7084ad@kernel.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs