dt-bindings: clock: qcom: ipq8074: add PPE crypto clock

Add binding for the PPE crypto clock in IPQ8074.

Signed-off-by: Robert Marko <robimarko@gmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220515210048.483898-4-robimarko@gmail.com