This adds the video decoder clocks for Meson8, Meson8b and Meson8m2.

The clock tree on Meson8 differs from the one one Meson8b and Meson8m2.
Details can be found in patch #2.

There are some checkpatch warnings in patch #2:
  WARNING: please, no space before tabs
I decided to still send the patch because we have the same inconsistency
with all other clk_hw_onecell_data table entries. Please let me know if
I should come up with a follow-up patch to clean them all up.

Testing:
I have not tested this with Maxime's video decoder driver yet.
However, I manually enabled and set various frequencies for the HCODEC
clock and verified that clkmsr reports the correct rate.

Dependencies:
This is meant to be applied on top of my other series from [0]:
  clk: meson8b: add the VPU clock tree

Changes since v1 at [1]:
- collected Neil's and Maxime's Reviewed-by (thank you!)


[0] https://patchwork.kernel.org/cover/10860401/
[1] https://patchwork.kernel.org/cover/10860513/


Martin Blumenstingl (2):
  dt-bindings: clock: meson8b: export the video decoder clocks
  clk: meson: meson8b: add the video decoder clock trees

 drivers/clk/meson/meson8b.c              | 312 +++++++++++++++++++++++
 drivers/clk/meson/meson8b.h              |  17 +-
 include/dt-bindings/clock/meson8b-clkc.h |   4 +
 3 files changed, 332 insertions(+), 1 deletion(-)

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2.21.0