firmware: qcom: scm: Add ipq4019 soc compatible

Add the compatible for ipq4019.
This does not need clocks to do scm calls.

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sricharan R <sricharan@codeaurora.org>
Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>