UPSTREAM: dt-bindings: perf: arm-cmn: Add CI-700

CI-700 is a new client-level coherent interconnect derived from
the enterprise-level CMN family, and shares the same PMU design.

Bug: 247832918
CC: devicetree@vger.kernel.org
Change-Id: I87b6dddcb9cd4883a2f588066df8f3642e9fccb8
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/5f0b372f808f1468e6d9500cedafbecd10254674.1638530442.git.robin.murphy@arm.com


Signed-off-by: Will Deacon <will@kernel.org>
(cherry picked from commit e3106447)
Signed-off-by: Robin Peng <robinpeng@google.com>