Adds device tree binding documentation for clocks in the
MT7621 SOC.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Link: https://lore.kernel.org/r/20210309052226.29531-3-sergio.paracuellos@gmail.comSigned-off-by: Stephen Boyd <sboyd@kernel.org>