arm64: dts: qcom: sm8350: Add support for PRNG EE

RNG (Random Number Generator) in SM8350 features PRNG EE (Execution
Environment), hence add devicetree support for it.

Reviewed-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://lore.kernel.org/r/20210401101536.1014560-1-robert.foss@linaro.org


Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>