dt-bindings: clocks: qcom,sdm845-camcc: add clocks/clock-names

The driver can parse bi-tcxo clock from the clocks passed in the device
tree. Specify it in schema.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220215201539.3970459-3-dmitry.baryshkov@linaro.org