Merge tag 'tenstorrent-dt-for-v7.2' of https://git.kernel.org/pub/scm/linux/kernel...

Tenstorrent device tree for v7.2

Add a riscv,pmu node to the Tenstorrent Blackhole SoC device tree. This
enables OpenSBI to expose the SBI PMU extension, allowing Linux perf to
use the 4 programmable counters (mhpmcounter3-6) across 3 event classes:
instruction commit, microarchitectural, and memory system events.

Extend the RISC-V IOMMU device tree bindings to document the Tenstorrent
IOMMU used in the Tenstorrent Atlantis SoC. A second register range is
added which contains M-mode only registers like PMAs and PMPs. The
binding will be used by OpenSBI and potentially other M-mode software.

* tag 'tenstorrent-dt-for-v7.2' of https://git.kernel.org/pub/scm/linux/kernel/git/tenstorrent/linux:
  dt-bindings: iommu: riscv: Add bindings for Tenstorrent RISC-V IOMMU
  riscv: dts: tenstorrent: Add PMU node to blackhole for Linux perf support

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>